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Free computer quiz Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. Video controller
(a)
handles the entire electronic work behind the formation of images on the screen
(b)
is responsible for allocating pixels for formation of images
(c)
controls the signals to be sent and received from processor for display
(d)
controls the resolution of images on screen
2. Which of the following is needed for sound recording?
(a)
mouse
(b)
talker
(c)
speaker
(d)
microphone
3. Which of these is a point and draw device?
(a)
keyboard
(b)
mouse
(c)
scanner
(d)
printer
4. Back up of the data files will help to prevent
(a)
virus infection
(b)
duplication of data
(c)
loss of data
(d)
loss of confidentiality
5. Which part of the computer can display the user's work?
(a)
mouse
(b)
monitor
(c)
keyboard
(d)
disk drive
6. Which unit controls the movement of signals between CPU and I/O?
(a)
ALU
(b)
Memory unit
(c)
Secondary storage
(d)
Control unit
7. The part of the CPU that accesses and decodes program instructions, and coordinates the flow of data among various system components is the
(a)
motherboard
(b)
arithmetic logic unit
(c)
megahertz
(d)
control unit
8. The system unit
(a)
controls and manipulates data
(b)
is a combination of hardware and software
(c)
is the container that houses electronic components
(d)
coordinates input and output devices
9. Which among the following is an important circuitry in a computer system that directs the operation of the processor?
(a)
ALU
(b)
Accumulator
(c)
Address bus
(d)
Control unit
10. The term used to define all input and output devices in a computer system is
(a)
Shared resources
(b)
Hardware
(c)
Software
(d)
Monitor
