1. EAS stands for ________.
A. Electronic Article Surveillance
B. Electrical Article Survey
C. Electronic Art system
D. Electronic Article system
ANSWER:A
SOLUTION:Electronic article surveillance (EAS) is a type of system used to prevent shoplifting from retail stores, pilferage of books from libraries, or unwanted removal of properties from office buildings.
2. All of the following are examples of input device except _____.
A. Scanner
B. Mouse
C. Keyboard
D. Printer
ANSWER: D
SOLUTION: A printer is an output device, not an input device.
3. Which of the following device which recognizes physical traits of an individual?
A. Smart card
B. Biometric sensor
C. Bar code
D. MICR
ANSWER:B
SOLUTION:A biometric sensor is a device that recognizes a person’s physical traits, such as fingerprints, facial features, palm prints, iris scans, hand geometry, vocal patterns, and human gaits.
4. PS-2 ports. PS stands for_______.
A. Personal system
B. Private system
C. Port system
D. None of these
ANSWER:A
SOLUTION:The PS in PS/2 stands for Personal System, and the port is named after the Personal System/2 series of computers introduced in 1987 by IBM.
5. Computer keyboard is an example of _________.
A. Memory device
B. Input device
C. Output device
D. Both c and d
ANSWER: B
SOLUTION: A computer keyboard is an example of an input device, which is a piece of computer hardware that provides data to a computer system.
6. In a keyboard, a left-right-up-down set of keys facilitates which among the following functions?
A. Deleting data or modification
B. Page scrolling to view a Document
C. Launching start menu
D. Initiating search and help
ANSWER: B
SOLUTION: Page scrolling to view a Document
7. First computer mouse was built by ___
A. Douglas Engelbart
B. William English
C. James Gosling
D. Charles Babbage
ANSWER: A
SOLUTION:As part of an ARPA-funded experiment to find better ways for computer users to interact with computers, Douglas Engelbart of SRI—who would later work on the DARPA-sponsored ARPANET project, the Internet’s precursor—invented the computer mouse
8. Which button is called as middle button used as the third mouse button by pressing on it?
A. Right button
B. Scroll wheel
C. Touch bar
D. Lightbar
ANSWER:B
SOLUTION:TThe scroll wheel, also known as the middle mouse button, is the button on most mice that can be used as a third mouse button by pressing down on it.
9. The pattern of printed lines on most products called ______.
A. Prices
B. Bar code
C. OCR
D. Scanner
ANSWER: B
SOLUTION:The pattern of printed lines on most products is called barcodes.
10. The OCR is used for the preparation of_______.
A. Electricity bills
B. Insurance premium
C. Telephone bills
D. All of these
ANSWER:D
SOLUTION: Optical character recognition (OCR) is used to prepare bills for electricity, insurance, and telephone. OCR is a technology that converts images of text into machine-encoded text.