1. The process of producing useful information for the user is called ___________
a) Controlling
b) Outputting
c) Inputting
d) Processing
Answer: b
Explanation: The Output Unit is responsible for giving the results to the user
in the form of a printed report or visual display. The process is referred to
as outputting. Controlling is nothing but the manner and sequence in which the
instructions are being operated. Inputting means giving instructions to the
system whereas, processing means performing certain operations and
calculations.
2. The output unit converts the data entered by the user
into computer understandable form.
a) True
b) False
Answer: b
Explanation: The Output unit is responsible for converting the computer
obtained data into user understandable format. The Input Unit is responsible
for converting the data in computer understandable format.
3. VDU stands for __________
a) Virtual Display Unit
b) Visual Display Unit
c) Virtual Detection Unit
d) Visual Detection Unit
Answer: b
Explanation: A Visual Display unit is also referred to as the monitor who
basically is used to give the results or outputs to the user. It comprises of a
cathode ray tube internally.
4. What does SVGA stand for?
a) Standard Visual Graphics Array
b) Super Visual Graphics Array
c) Standard Video Graphics Array
d) Super Video Graphics Array
Answer: d
Explanation: Super Video Graphics Array is a type of Visual Display Unit. It supports
1024 by 768 pixels with 16 million different operations.
5. The devices that used to give single or multiple-colored
images and drawings are ____________
a) Monitors
b) Printers
c) Plotters
d) VDUs
Answer: c
Explanation: Plotters are the devices which are used to give colored images.
They use ink pens or ink jets for drawing. Pens of different colors and shades
are used for shading and styling.
6. A special request originated from some device to the CPU
to acquire some of its time is called ___________
a) Disturbance
b) Attenuation
c) Interrupt
d) Noise
Answer: c
Explanation: An interrupt is a kind of request which takes control of the
system bus for some time, then performs all the operations and gives back
control to the CPU. It is usually identified by some number and is handled by
the interrupt controller.
7. Line Printers that print one line at a time are _________
a) Laser Printers
b) Inkjet Printers
c) Drum Printers
d) Chain Printers
Answer: c
Explanation: The drum printers have a solid cylindrical drum with characters
embossed on its surface in the form of circular bands. It can only print a
predefined set of characters.
8. A ___________________ monitor looks like a television and
are normally used with non-portable computer systems.
a) CRT
b) LCD
c) LED
d) Flat Panel Monitors
Answer: a
Explanation: A CRT (or the Cathode Ray Tube) Monitor looks like a television
ideally. The flat panel monitors are thinner and lighter in comparison.
9. Which of the following is not a function of the Output
Unit?
a) It produces results that can be easily understood by the user
b) It accepts the results produced by the computer
c) It supplies the data and instructions to the outside world
d) It supplies the data and instructions to the computer for further processing
Answer: d
Explanation: The output unit is responsible for giving the results to the user
in the form of a printed report or visual display. It is not responsible for
giving the instructions back to the CPU for processing.
10. PCI stands for _________
a) Peripheral Component Interconnect
b) Partial Component Interconnect
c) Peripheral Component Interaction
d) Partial Component Interaction
Answer: a
Explanation: PCI is a high-bandwidth bus that can function as a peripheral bus.
Compared with others, it delivers better system performance.