Output Devices
1. Dot-matrix, Deskjet, Inkjet and Laser are all types of which computer peripherals?
A. Printers
B. Software
C. Monitors
D. Keyboards
Explanation : In computing, a printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper.
2. The device primarily used to provide hardcopy is the
A. CRT
B. Computer Console
C. Printer
D. Card Reader
E. None of these
Explanation : None.
3. What are the two types of monitors?
A. CRT and DVD
B. CRT and LCD
C. DVD and VCD
D. LCD and DVD
E. None of these
Explanation : CRT : The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It modulates, accelerates, and deflects electron beam(s) onto the screen to create the images.
LCD : A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals. Liquid crystals do not emit light directly, instead using a backlight or reflector to produce images in color or monochrome.
4. A disadvantage of the laser printer is:
A. It is quieter than an impact printer.
B. It is very slow
C. The output is of a lower quality
D. All of the above
E. None of these
Explanation : None.
5. VDU is also called .......
A. Screen
B. Monitor
C. Both A and B
D. Printer
E. None of these
Explanation : VDU. Stands for "Visual Display Unit" A VDU displays images generated by a computer or other electronic device. The term VDU is often used synonymously with "monitor," but it can also refer to another type of display, such as a digital projector.
6. A daisy wheel is a type of?
A. Storage device
B. Pointing device
C. Scaning Device
D. Printer
Explanation : A type of printer that produces letter-quality type. A daisy-wheel printer works on the same principle as a ball-head typewriter. The daisy wheel is a disk made of plastic or metal on which characters stand out in relief along the outer edge. To print a character, the printer rotates the disk until the desired letter is facing the paper. Then a hammer strikes the disk, forcing the character to hit an ink ribbon, leaving an impression of the character on the paper. You can change the daisy wheel to print different fonts.
7. Factory production lines can be automated using?
A. Machine tools
B. VDUs
C. Plotters
D. None of these
Explanation : Video Display Unit (VDUs)
8. An impact printer creates characters by using?
A. An inked ribbon and print head
B. Electrically charged ink
C. An ink pen
D. All of the above
Explanation : An impact printer creates characters by using an inked ribbon and print head.
9. What would you not use with a flatbed plotter?
A. A pen
B. Eraser
C. Paper
D. None of these
Explanation : A flatbed plotter is a device that uses pens to draw graphics and pictures, instead of printing heads, nozzles, and ink cartridges used in typical printers.
10. What do you need for an ink jet printer?
A. A drum
B. A cartridge
C. A ribbon
D. All of the above
Explanation : A cartridge.