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Worksheets

Binary system

Total questions: 24

Worksheet time: 21mins

Name
Class
Date
1.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
2.

Which of these are the correct place values for binary?

a)

128,64,32,16,8,4,2,1

b)

128, 68,34,12,6,4,2,1

c)

1,0

d)

0,1

3.

How many bits are there in a byte?

a)

2

b)

4

c)

5

d)

8

4.
Computers can only understand 0s and 1s.
a)
True
b)
False
5.

Covert 8 into binary

a)

1000

b)

1100

c)

0101

d)

0001

6.

What is 0011 in decimal

a)

1

b)

3

c)

4

7.

In binary addition 1 + 1 =

a)

11

b)

01

c)

10

d)

00

8.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
9.

0011 + 0111

a)

1010

b)

1011

c)

0111

d)

1100

10.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
11.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
12.

Convert the decimal number 9 to a 4-bit binary number.

a)

1001

b)

1101

c)

1010

d)

1011

13.

What is the other name for Binary 10

a)

Decimal

b)

Binary

c)

Hexadecimal

d)

Gigabyte

14.

Convert the 4-bit binary number 1101 to a decimal number.

a)

13

b)

11

c)

12

d)

10

15.

What kind of 'base' system is binary known as?

a)

Base 8

b)

Base 2

c)

Base 10

16.

CPU is called ___of computer

a)

BRAIN

b)

MIND

c)

BODY

d)

ALL

17.

101 + 11

a)

1000

b)

1101

c)

1111

d)

All

18.

Subtraction 101-11 in binary

a)

10

b)

01

c)

11

d)

All

19.

What is the difference of two binary numbers below?

a)

001

b)

011

c)

000

d)

010

20.

1 0 1 1 0 - 1 1 0 1

a)

0 1 1 0 1

b)

1 0 0 0 1

c)

0 1 0 0 1

d)

1 1 0 0 1

21.

Which of these is the smallest

a)

2 GB

b)

600 MB

c)

0.3 TB

d)

7,000,000 bits

22.

Which of the following file sizes is smallest?

a)

Kilobyte

b)

Terabyte

c)

Gigabyte

d)

Megabyte

23.

2 Nibbles is the same as

a)

1 Byte

b)

10 Bits

c)

8 Bytes

d)

8 Bits

24.

KB stands for

(a)