WorksheetsPremid_IT_Era_Quiz
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
Which of the following is considered computer input?
a)
Reports
b)
Graphs
c)
Keyboard entries
d)
Music
2.
The CPU is responsible for:
a)
Storing data permanently
b)
Performing useful operations
c)
Displaying output
d)
Connecting to the internet
3.
Which of the following is an example of offline storage?
a)
Hard drive
b)
Cloud storage
c)
CD-ROM
d)
Online database
4.
A systematic series of actions a computer uses to manipulate data is called:
a)
Input
b)
Process
c)
Output
d)
Storage
5.
Which of the following is NOT an example of computer output?
a)
Music
b)
Pictures
c)
Numbers typed on a keyboard
d)
Documents
6.
The binary system uses how many symbols?
a)
10
b)
8
c)
2
d)
16
7.
A bit is:
a)
The largest storage unit
b)
A digit within a binary number system
c)
Equal to 8 bytes
d)
A combination of 8 bits
8.
How many bytes are in a kilobyte (KB)?
a)
1000
b)
512
c)
1024
d)
2048
9.
What does 'B' stand for in KB?
a)
Bits
b)
Byte
c)
Binary
d)
Base
10.
Which of the following correctly shows the storage hierarchy?
a)
Byte → Kilobyte → Megabyte → Gigabyte → Terabyte
b)
Bit → Megabyte → Kilobyte → Byte → Terabyte
c)
Bit → Byte → Megabyte → Kilobyte → Gigabyte
d)
Byte → Bit → Kilobyte → Terabyte → Gigabyte
11.
Convert binary 1100100 into decimal.
a)
100
b)
173
c)
242
d)
315
12.
Convert binary 10101101 into decimal.
a)
100
b)
173
c)
242
d)
405
13.
Convert binary 11110010 into decimal.
a)
100
b)
173
c)
242
d)
315
14.
Convert binary 100111011 into decimal.
a)
315
b)
405
c)
512
d)
350
15.
Convert binary 110010101 into decimal.
a)
100
b)
242
c)
405
d)
512
16.
Convert decimal 45 into binary.
a)
101101
b)
10000000
c)
11001000
d)
101011110
17.
Convert decimal 128 into binary.
a)
101101
b)
10000000
c)
11001000
d)
1000000000
18.
Convert decimal 200 into binary.
a)
11001000
b)
101011110
c)
1000000000
d)
101101
19.
Convert decimal 350 into binary.
a)
101101
b)
10000000
c)
11001000
d)
101011110
20.
Convert decimal 512 into binary.
a)
101101
b)
10000000
c)
11001000
d)
1000000000
100 %
