1. CRT has a __________.
A. Hollow tube
B. Vacuum tube
C. Long tube
D. Round tube
ANSWER:B
SOLUTION:A Cathode Ray Tube (CRT) is a vacuum tube that contains an electron beam that is focused onto a phosphor-coated glass screen.
2. The rate at which scanning is repeated in a CRT is called________.
A. Refresh rate
B. Resolution
D. Pitch
C. Bandwidth
ANSWER: A
SOLUTION: The rate at which scanning is repeated in a cathode ray tube (CRT) is called the refresh rate.
3. ____ provides hardcopy output on paper.
A. Mouse
B. Keyboard
C. LCD monitor
D. Printer
ANSWER:D
SOLUTION:A printer is a device that outputs data to a physical item, usually a piece of paper. A hard copy is a printed copy of information from a computer.
4. ____ printer cannot print more than one characters at a time.
A. Line
B. Daisy wheel
C. Laser
D. Dot matrix
ANSWER:D
SOLUTION:Dot matrix printers are a type of printer that can’t print more than one character at a time. Dot matrix printers create characters by striking pins against an ink-soaked ribbon.
5. An example of peripheral equipment is ___________.
A. Printer
B. CPU
C. Spread sheet
D. Micro computer
ANSWER: A
SOLUTION: A printer is an example of peripheral equipment. A peripheral device is a device that is connected to a computer, but is not part of the core computer architecture.
6. Dot matrix printer is ________.
A. Unidirectional
B. Bi directional
C. Sequential
D. Random
ANSWER: B
SOLUTION: Many dot matrix printers are bidirectional. Bidirectional printing means that the print head prints in both directions, from left to right and then right to left.
7. The impact printers are __________.
A. Dot matrix
B. Drum
C. Ink jet
D. Both a and b
ANSWER: A
SOLUTION:Impact printer refers to a class of printers that work by banging a head or needle against an ink ribbon to make a mark on the paper. The three most common forms of impact printers are: Dot-matrix.
8. Which of the following printers, are you sure, will not use if your objective is to print on multi carbon forms?
A. Daisy wheel
B. Dot matrix
C. Laser
D. Both a and b
ANSWER:C
SOLUTION:laser printers, are you sure will not to use if your objective is to print on multi-carbon forms.
9. What type of devices are computer speakers?
A. Input
B. Output
C. Memory
D. Software
ANSWER: B
SOLUTION:Computer speakers are output devices. Output devices are hardware that convert data or information into a form that humans can understand, such as audio, text, video, or graphics.
10. Which printer uses a combination of laser-beam & electro photographic techniques?
A. Laser printers
B. Dot-Matrix
C. Line printer
D. Daisy wheel
ANSWER:A
SOLUTION: Laser printers use a combination of laser-beam and electrophotographic techniques.