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WorksheetsUnderstanding Computers
Total questions: 14
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following is computer hardware?
a)
monitor
b)
scanner
c)
keyboard
d)
all of them
2.
What number system do computers use?
a)
binary
b)
denary
c)
decimal
d)
ASCII
3.
What is the CPU?
a)
Internal hardware that holds all components together
b)
The CPU is the part of a computer system that is commonly referred to as the "brains" of a computer.
c)
It is a storage device
4.
What is the role of the POWER SUPPLY for a computer?
a)
Internal hardware component that supplies components in a computer with power.
b)
External plug that powers the computer up.
c)
It is a piece of software.
5.
What is the role of the motherboard?
a)
The motherboard is a circuit board that connects the CPU to the memory and all the other hardware.
b)
The motherboard is the computers brain.
c)
It is a piece of software inside the computer.
6.
What is the correct definition for a hard disk?
a)
It is an technical name for a CD-Drive
b)
it is the main internal storage device in computers
7.
What is the definition for software?
a)
Software is the physical parts of the computer
b)
Software is the programs that run on a computer.
8.
What is the definition for hardware.
a)
Hardware is the physical parts of the computer
b)
Hardware is the programs that run on a computer.
9.
How is a storage device best defined?
a)
Hardware that is used for storing data files and objects.
b)
Hardware that is used for removing data.
10.
How many bits are there in a byte?
a)
1
b)
2
c)
4
d)
8
11.
How many bits are in a NIBBLE?
a)
1
b)
4
c)
8
d)
16
12.
A scanner is known as a ......?
a)
input device
b)
output device
c)
storage device
13.
A printer is known as a......
a)
input device
b)
output device
c)
storage device
14.
What comes next in the sequence of file sizes?bit, nibble, byte, kilobyte.....
a)
megabyte, gigabyte
b)
megabyte, petabyte
c)
gigabyte, megabyte
d)
gigabyte, zetabyte
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