{"id":12895,"date":"2025-09-24T11:37:37","date_gmt":"2025-09-24T10:37:37","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=12895"},"modified":"2025-11-22T04:25:59","modified_gmt":"2025-11-22T04:25:59","slug":"input-output-devices-top-100-mcqs-with-answer-and-explanation","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/09\/24\/input-output-devices-top-100-mcqs-with-answer-and-explanation\/","title":{"rendered":"Input &amp; Output Devices Top 100 MCQs With Answer and Explanation"},"content":{"rendered":"\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">1. Which of the following is an example of an input device?<br><\/mark><\/strong>A) Printer<br>B) Keyboard<br>C) Monitor<br>D) Speaker<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> A keyboard is used to enter data and instructions into the computer, making it an input device.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">2. Which device uses a light-sensitive detector to convert printed text into digital data?<br><\/mark><\/strong>A) Scanner<br>B) Printer<br>C) Plotter<br>D) Joystick<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Scanners read images or text from paper and convert them into digital form.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">3. What type of input device is a joystick?<br><\/mark><\/strong>A) Pointing device<br>B) Output device<br>C) Storage device<br>D) Display device<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> A joystick is used to control the movement of a pointer or cursor in games and simulations.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">4. Which input device is used for biometric authentication using fingerprints?<br><\/mark><\/strong>A) OCR<br>B) Barcode Reader<br>C) Fingerprint Scanner<br>D) Trackball<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Fingerprint scanners match the unique patterns of a person\u2019s fingerprint for security purposes.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">5. What does OCR stand for?<br><\/mark><\/strong>A) Optical Character Reader<br>B) Optical Code Recognizer<br>C) Output Character Reader<br>D) Optical Chart Recorder<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> OCR converts scanned images of text into machine-readable text.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>6. Which input device works by detecting reflected light from a surface?<br><\/strong><\/mark>A) Mouse<br>B) Light Pen<br>C) Microphone<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Light pens detect light from the monitor screen and are used to draw or select items.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">7. Which of the following is NOT an input device?<br><\/mark><\/strong>A) Barcode Reader<br>B) Microphone<br>C) Webcam<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> A projector is an output device; it displays images onto a screen.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">8. A trackball is similar to a _______.<br><\/mark><\/strong>A) Keyboard<br>B) Mouse<br>C) Printer<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> A trackball controls the pointer on the screen like a mouse but uses a stationary ball.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">9. Which input device can capture motion?<\/mark><\/strong><br>A) Webcam<br>B) Microphone<br>C) Motion Sensor<br>D) Both a and c<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Webcams capture live video, and motion sensors detect movement.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">10. MICR technology is used in ________.<\/mark><\/strong><br>A) Airports<br>B) Banking<br>C) Hospitals<br>D) Schools<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> MICR (Magnetic Ink Character Recognition) is used to read special characters on cheques.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">11. Which of the following is an example of an output device?<\/mark><\/strong><br>A) Mouse<br>B) Printer<br>C) Scanner<br>D) Joystick<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Printers produce a hard copy of digital information, making them output devices.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">12. Which type of printer sprays ink directly onto paper?<\/mark><\/strong><br>A) Laser printer<br>B) Dot-matrix printer<br>C) Inkjet printer<br>D) Thermal printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Inkjet printers spray tiny droplets of ink to form an image.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">13. Which output device is used for large-scale technical drawings?<\/mark><\/strong><br>A) Plotter<br>B) Inkjet printer<br>C) Monitor<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Plotters draw vector graphics, often used for engineering and architectural designs.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">14. What does DPI stand for in printing?<\/mark><\/strong><br>A) Dots per Inch<br>B) Data per Input<br>C) Display Pixel Index<br>D) Digital Print Integration<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> DPI measures the resolution of a printer; higher DPI means better print quality.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong>15. Which device is used to project computer output onto a large screen?<\/strong><br>A) Monitor<br>B) Projector<br>C) Plotter<br>D) Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Projectors display output from a computer onto a bigger screen for presentations.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">16. Which of the following is NOT a soft copy output device?<\/mark><\/strong><br>A) Monitor<br>B) Projector<br>C) Speaker<br>D) Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Printers produce hard copy output; others produce soft copy.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">17. LCD stands for _______.<\/mark><\/strong><br>A) Liquid Crystal Display<br>B) Light Crystal Device<br>C) Liquid Computer Display<br>D) Light Control Device<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> LCD technology is used in flat-panel displays.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">18. Which type of monitor uses electron beams to create images?<\/mark><\/strong><br>A) LCD<br>B) LED<br>C) CRT<br>D) OLED<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Cathode Ray Tube (CRT) monitors use electron beams to display images.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">19. What is the main advantage of LED monitors over LCD monitors?<\/mark><\/strong><br>A) More expensive<br>B) Less energy consumption<br>C) Lower brightness<br>D) bigger size<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> LED monitors are more energy-efficient and offer better display quality.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">20. Which output device produces sound?<\/mark><\/strong><br>A) Microphone<br>B) Printer<br>C) Speaker<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Speakers convert digital signals into audible sound.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">21. Which device reads data encoded in a barcode?<\/mark><\/strong><br>A) MICR<br>B) OCR<br>C) Barcode Reader<br>D) Plotter<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Barcode readers scan black-and-white stripes to retrieve product information.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">22. Which of these is a pointing device?<\/mark><\/strong><br>A) Printer<br>B) Scanner<br>C) Mouse<br>D) Keyboard<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> A mouse controls the pointer on the screen.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">23. A graphics tablet is used for ________.<\/mark><\/strong><br>A) Printing<br>B) Drawing<br>C) Scanning<br>D) Projecting<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Graphics tablets allow designers to draw directly into the computer.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">24. Which of the following is used for voice input?<\/mark><\/strong><br>A) Joystick<br>B) Microphone<br>C) Light pen<br>D) Touchpad<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Microphones convert sound waves into digital signals.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">25. The touchpad on a laptop is an example of ________.<\/mark><\/strong><br>A) Output device<br>B) Pointing device<br>C) Printing device<br>D) Storage device<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Touchpads allow control of the pointer without a separate mouse.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">26. Which device uses infrared or laser light to detect motion?<\/mark><\/strong><br>A) Scanner<br>B) Optical Mouse<br>C) Webcam<br>D) Trackball<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Optical mice use light to detect movement on a surface.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">27. A stylus is mainly used with ________.<\/mark><\/strong><br>A) Monitors<br>B) Touchscreens<br>C) Printers<br>D) Projectors<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> A stylus is used for precise input on touchscreens.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">28. Which input device captures images in real-time?<\/mark><\/strong><br>A) Printer<br>B) Webcam<br>C) Projector<br>D) Joystick<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Webcams are used for live video input.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">29. Which of these is NOT a human interface input device?<\/mark><\/strong><br>A) Keyboard<br>B) Mouse<br>C) Scanner<br>D) CPU<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> The CPU is the processing unit, not an input device.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">30. Which of these is a gesture-based input device?<\/mark><\/strong><br>A) Kinect Sensor<br>B) Printer<br>C) Light pen<br>D) Barcode reader<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Kinect detects body movement for input.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">31. Which printer is best for printing carbon copies?<\/mark><\/strong><br>A) Laser printer<br>B) Dot-matrix printer<br>C) Inkjet printer<br>D) Thermal printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Dot-matrix printers can print multiple copies using carbon paper.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">32. Which type of display offers the highest contrast ratio?<\/mark><\/strong><br>A) LCD<br>B) LED<br>C) OLED<br>D) CRT<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> OLED displays have deeper blacks and better contrast.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">33. Which printer technology uses toner?<\/mark><\/strong><br>A) Laser printer<br>B) Inkjet printer<br>C) Thermal printer<br>D) Plotter<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Laser printers use toner powder for high-speed printing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">34. Which device can produce a 3D hard copy?<\/mark><\/strong><br>A) Laser printer<br>B) 3D printer<br>C) Plotter<br>D) Inkjet printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> 3D printers create solid objects from digital models.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">35. Which output device is used in ATMs to print receipts?<\/mark><\/strong><br>A) Inkjet printer<br>B) Thermal printer<br>C) Laser printer<br>D) Plotter<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Thermal printers are small, quiet, and fast for receipts.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">36. Which device produces output in Braille for the visually impaired?<\/mark><\/strong><br>A) Screen reader<br>B) Braille embosser<br>C) Laser printer<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Braille embossers print raised dots for tactile reading.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">37. Which type of monitor is most commonly used in laptops?<\/mark><\/strong><br>A) CRT<br>B) LCD<br>C) LED<br>D) OLED<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> LED-backlit LCDs are common in laptops due to low power consumption.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">38. What is the main advantage of laser printers over inkjet printers?<\/mark><\/strong><br>A) Higher cost per page<br>B) Slower speed<br>C) Faster and more cost-effective for bulk printing<br>D) Poor quality<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Laser printers are ideal for high-volume printing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">39. Which device converts digital video signals to be displayed on a screen?<\/mark><\/strong><br>A) Scanner<br>B) Projector<br>C) Graphics card<br>D) Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Graphics cards process and output video signals.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">40. Which monitor technology has the thinnest panels?<\/mark><\/strong><br>A) CRT<br>B) LCD<br>C) LED<br>D) OLED<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> OLED panels can be extremely thin and flexible.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">41. Which of these is BOTH an input and output device?<\/mark><\/strong><br>A) Keyboard<br>B) Touchscreen<br>C) Printer<br>D) Microphone<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Touchscreens allow input by touch and output by displaying visuals.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">42. Which device is used to read and write data on CDs?<\/mark><\/strong><br>A) CD-ROM<br>B) CD-RW drive<br>C) DVD drive<br>D) Blu-ray player<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> CD-RW drives can read and write CDs.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">43. Which device can be used for gaming input?<\/mark><\/strong><br>A) Mouse<br>B) Joystick<br>C) Gamepad<br>D) All of the above<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> All listed devices can be used for gaming input.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">44. Which is the fastest type of printer?<\/mark><\/strong><br>A) Dot-matrix<br>B) Inkjet<br>C) Laser<br>D) Plotter<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Laser printers are faster than inkjet and dot-matrix printers.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">45. Which device is used in retail stores to speed up billing?<\/mark><\/strong><br>A) Printer<br>B) Barcode scanner<br>C) Projector<br>D) Plotter<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Barcode scanners read product codes instantly.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">46. The refresh rate of a monitor is measured in ________.<\/mark><\/strong><br>A) DPI<br>B) Hertz (Hz)<br>C) Pixels<br>D) Bits<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Refresh rate is the number of times a screen updates per second.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">47. Which is an example of a speech output device?<\/mark><\/strong><br>A) Microphone<br>B) Speaker<br>C) Joystick<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Speakers produce audible output.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">48. Which of these devices can work wirelessly?<\/mark><\/strong><br>A) Wireless mouse<br>B) Wireless printer<br>C) Bluetooth speaker<br>D) All of the above<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> All listed devices have wireless versions.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">49. Which device converts printed documents into digital form?<\/mark><\/strong><br>A) Printer<br>B) Scanner<br>C) Monitor<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Scanners digitize physical documents.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">50. What is the resolution of an output device measured in?<\/mark><\/strong><br>A) Hz<br>B) DPI \/ PPI<br>C) Bytes<br>D) Hertz per inch<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Printers use DPI; monitors use PPI.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">51. Which device is used to enter handwritten signatures into a computer?<\/mark><\/strong><br>A) Mouse<br>B) Scanner<br>C) Graphics Tablet<br>D) Webcam<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Graphics tablets can capture handwriting and signatures digitally.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">52. Which device reads information from a smart card?<\/mark><\/strong><br>A) MICR<br>B) Smart Card Reader<br>C) Barcode Scanner<br>D) OCR<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Smart card readers read the chip data embedded in cards.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">53. What does LED stand for?<\/mark><\/strong><br>A) Light Emitting Display<br>B) Light Emitting Diode<br>C) Low Energy Display<br>D) Light Enhanced Device.<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> LEDs are semiconductor devices that emit light when current passes through.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">54. Which printer uses a heated pin to print on heat-sensitive paper?<\/mark><\/strong><br>A) Laser Printer<br>B) Inkjet Printer<br>C) Thermal Printer<br>D) Dot-matrix Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Thermal printers burn the image into heat-sensitive paper.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">55. Which of these is NOT an example of an output device?<\/mark><\/strong><br>A) Printer<br>B) Monitor<br>C) Speaker<br>D) Webcam<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> A webcam is an input device.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">56. Which input device can read QR codes?<\/mark><\/strong><br>A) OCR<br>B) Barcode Scanner<br>C) QR Scanner<br>D) Light Pen<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> QR scanners decode QR (Quick Response) codes.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">57. Which monitor technology uses plasma gas?<\/mark><\/strong><br>A) CRT<br>B) LCD<br>C) Plasma Display<br>D) LED<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Plasma displays use ionized gas to create images.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">58. The device used to capture geographical data is called ________.<\/mark><\/strong><br>A) GPS Receiver<br>B) Barcode Reader<br>C) OCR<br>D) Webcam<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> GPS receivers capture location-based input.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">59. Which device is used to measure the speed of typing?<\/mark><\/strong><br>A) Mouse<br>B) Keyboard<br>C) Typing Tutor Software<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> Typing tutor programs measure speed and accuracy.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">60. Which printer is best suited for printing on multipart forms?<\/mark><\/strong><br>A) Dot-matrix Printer<br>B) Laser Printer<br>C) Inkjet Printer<br>D) Thermal Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Dot-matrix printers can impact-print through multiple layers.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">61. Which device converts sound into electrical signals?<\/mark><\/strong><br>A) Speaker<br>B) Microphone<br>C) Printer<br>D) Monitor<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Microphones are input devices that record sound.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">62. Which device is used for reading books in digital format aloud?<\/mark><\/strong><br>A) OCR + Text-to-Speech Software<br>B) Scanner only<br>C) Printer only<br>D) Monitor only<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> OCR digitizes text, then TTS reads it aloud\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">63. The pointing stick in laptops is also called a ________.<\/mark><\/strong><br>A) Trackpoint<br>B) Trackball<br>C) Touchpad<br>D) Mouse<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Trackpoints are small joystick-like controls embedded in laptop keyboards.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">64. Which of the following is NOT a type of monitor port?<\/mark><\/strong><br>A) VGA<br>B) HDMI<br>C) DVI<br>D) MICR<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> MICR is an input technology for banking, not a monitor port.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">65. Which device is used for producing high-quality photographic prints?<\/mark><\/strong><br>A) Dot-matrix Printer<br>B) Inkjet Printer<br>C) Laser Printer<br>D) Thermal Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Inkjet printers produce high-resolution photo prints.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">66. Which output device is used in cinemas for large-screen display?<\/mark><\/strong><br>A) LED Monitor<br>B) Projector<br>C) Plotter<br>D) Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Projectors display video output on large screens.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">67. The main difference between impact and non-impact printers is ________.<\/mark><\/strong><br>A) Cost<br>B) Whether they strike the paper<br>C) Speed<br>D) Resolution<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Impact printers hit the paper, non-impact printers do not.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong>68. Which device can be used for both scanning and copying?<\/strong><br>A) Printer only<br>B) Photocopier<br>C) Plotter<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Photocopiers scan and print copies instantly.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">69. Which input device is commonly used for inventory management?<\/mark><\/strong><br>A) Barcode Scanner<br>B) Plotter<br>C) Printer<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Barcode scanners read product data for inventory systems.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">70. Which device converts graphical output into physical form for engineers?<\/mark><\/strong><br>A) Plotter<br>B) Printer<br>C) Projector<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Plotters print vector-based engineering drawings\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">71. Which technology allows virtual reality input?<\/mark><\/strong><br>A) Joystick<br>B) VR Headset + Motion Controller<br>C) Light Pen<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> VR input devices track head and hand movements.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">72. Which of these is an electromechanical output device?<\/mark><\/strong><br>A) Printer<br>B) Monitor<br>C) Speaker<br>D) All of the above<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Printers use mechanical parts to create physical output.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">73. Which input device works with CAD software for design precision?<\/mark><\/strong><br>A) Mouse<br>B) Graphics Tablet<br>C) Keyboard<br>D) Trackpad<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Designers use tablets for precise drawing in CAD.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">74. Which device displays visual output to multiple monitors?<\/mark><\/strong><br>A) VGA splitter<br>B) Mouse<br>C) Printer<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> VGA splitters send the same video signal to multiple screens.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">75. Which device converts images into digital form for editing?<\/mark><\/strong><br>A) Printer<br>B) Scanner<br>C) Monitor<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Scanners digitize images for storage and editing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>76. Which printer is most common in offices for high-volume printing?<\/strong><br><\/mark>A) Laser Printer<br>B) Inkjet Printer<br>C) Dot-matrix Printer<br>D) 3D Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Laser printers are fast and cost-effective for bulk printing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>77. Which monitor type offers touch functionality?<\/strong><br><\/mark>A) LED Monitor<br>B) LCD Monitor<br>C) Touchscreen Monitor<br>D) CRT Monitor<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> These monitors combine display and input in one device.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>78. Which input device detects physical pressure?<\/strong><br><\/mark>A) Microphone<br>B) Pressure Sensor<br>C) Light Pen<br>D) Joystick<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Pressure sensors measure force applied to them.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>79. Which device outputs sound for multimedia applications?<\/strong><br><\/mark>A) Microphone<br>B) Speaker<br>C) Joystick<br>D) Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Speakers produce sound output.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">80. Which device is used for taking high-quality digital photographs?<br><\/mark><\/strong>A) Webcam<br>B) DSLR Camera<br>C) Scanner<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> DSLRs capture high-resolution digital images.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>81. What does PPI stand for?<\/strong><br><\/mark>A) Pixels Per Inch<br>B) Pages Per Inch<br>C) Points Per Input<br>D) Pixels Per Input<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> PPI measures display resolution.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>82. Which device is used for reading data from punched cards?<\/strong><br><\/mark>A) OCR<br>B) Card Reader<br>C) Plotter<br>D) Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Card readers were used in early computing to read punched card data.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>83. Which printer can print on both sides of the paper automatically?<br><\/strong><\/mark>A) Simplex Printer<br>B) Duplex Printer<br>C) Impact Printer<br>D) Thermal Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Duplex printers support double-sided printing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>84. Which monitor is best for color accuracy?<\/strong><br><\/mark>A) OLED Monitor<br>B) CRT Monitor<br>C) LED Monitor<br>D) LCD Monitor<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> OLEDs offer high color accuracy and contrast.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>85. Which input device is used for 3D object scanning?<\/strong><br><\/mark>A) Laser Scanner<br>B) OCR<br>C) Barcode Reader<br>D) Touchpad<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Laser scanners capture 3D shape data.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>86. Which of these is NOT an example of an input device?<br><\/strong><\/mark>A) Joystick<br>B) Mouse<br>C) Projector<br>D) Keyboard<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: C <\/b><BR>\n<b>Explanation:<\/b> A projector is an output device.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>87. Which printer is the quietest during operation?<br><\/strong><\/mark>A) Dot-matrix Printer<br>B) Laser Printer<br>C) Inkjet Printer<br>D) Thermal Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: D <\/b><BR>\n<b>Explanation:<\/b> Thermal printers are nearly silent.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">88. Which device allows video conferencing?<br><\/mark><\/strong>A) Webcam<br>B) Projector<br>C) Printer<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Webcams capture live video for conferencing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">89. Which is the unit of display brightness?<br><\/mark><\/strong>A) Lumen<br>B) DPI<br>C) Hertz<br>D) Pixel<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Brightness of displays\/projectors is measured in lumens.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">90. Which device is used to print blueprints?<br><\/mark><\/strong>A) Plotter<br>B) Laser Printer<br>C) Inkjet Printer<br>D) Dot-matrix Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Plotters are used for large-scale blueprint printing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">91. Which technology allows a printer to print without ink?<br><\/mark><\/strong>A) Thermal Printing<br>B) Inkjet Printing<br>C) Laser Printing<br>D) Impact Printing<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Thermal printing uses heat-sensitive paper.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">92. Which input device reads marks on OMR sheets?<br><\/mark><\/strong>A) OCR<br>B) OMR Scanner<br>C) Barcode Reader<br>D) MICR<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> OMR scanners detect marks for exams and surveys.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>93. Which device is used for interactive presentations?<br><\/strong><\/mark>A) Projector + Interactive Whiteboard<br>B) Printer<br>C) Plotter<br>D) Scanner<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Interactive boards allow touch input during presentations.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>94. Which device outputs hard copies at the fastest speed?<br><\/strong><\/mark>A) Inkjet Printer<br>B) Laser Printer<br>C) Dot-matrix Printer<br>D) Thermal Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Laser printers are the fastest for high-volume printing.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">95. Which monitor type is most energy-efficient?<br><\/mark><\/strong>A) CRT<br>B) LED<br>C) LCD<br>D) Plasma<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> LED monitors consume the least power.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">96. Which device is required for a digital signature?<br><\/mark><\/strong>A) Smart Card + Reader<br>B) Webcam<br>C) Printer<br>D) Joystick<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Digital signatures require cryptographic keys stored on smart cards.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">97. Which printer sprays tiny drops of liquid onto paper?<br><\/mark><\/strong>A) Laser Printer<br>B) Inkjet Printer<br>C) Dot-matrix Printer<br>D) Thermal Printer<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: B <\/b><BR>\n<b>Explanation:<\/b> Inkjet printers spray ink for image formation.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">98. Which device outputs tactile feedback?<br><\/mark><\/strong>A) Joystick with vibration<br>B) Speaker<br>C) Monitor<br>D) Projector<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Joysticks with vibration provide haptic (tactile) feedback.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">99. Which display technology is used in smartwatches?<br><\/mark><\/strong>A) OLED<br>B) CRT<br>C) Plasma<br>D) Dot-matrix<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> OLED is used in wearables for high contrast and low power.\n <\/p>\n<\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">100. Which device is used to magnify computer output for the visually impaired?<br><\/mark><\/strong>A) Screen Magnifier Software<br>B) Printer<br>C) Projector<br>D) Speaker<\/p>\n\n\n\n<button class=\"acc\">Show Answer<\/button>\n<div class=\"pnl\">\n  <p style=\"font-size: 22px;\"><b> Answer: A <\/b><BR>\n<b>Explanation:<\/b> Magnifier software enlarges on-screen content for better visibility.\n <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. Which of the following is an example of an input device?A) PrinterB) KeyboardC) MonitorD) Speaker Show Answer Answer: B Explanation: A keyboard is used to enter data and instructions into the computer, making it an input device. 2. Which device uses a light-sensitive detector to convert printed text into digital data?A) ScannerB) PrinterC) PlotterD)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10995,4029,5649,5623],"class_list":{"0":"post-12895","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-blog","7":"tag-input-output-devices-top-100-mcqs-with-answer-and-explanation","8":"tag-mcqs-adda","9":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","10":"tag-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=12895"}],"version-history":[{"count":29,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12895\/revisions"}],"predecessor-version":[{"id":21782,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12895\/revisions\/21782"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=12895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=12895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=12895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}