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Worksheets

Binary, Denary and Hexadecimal

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
2.

How many bits make a byte?

a)

2

b)

4

c)

8

d)

16

3.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
4.
Convert the Hex number B9 to binary.
a)
10111001
b)
10111000
c)
10111101
d)
10101001
5.
Convert the Hex number 1F to binary.
a)
00111111
b)
00001111
c)
00010111
d)
00011111
6.
Convert the binary number 01010101 to Hex
a)
44
b)
55
c)
66
d)
77
7.

Convert the binary number 11000011 to Hex

a)

11

b)

A2

c)

C3

d)

D4

8.
Which number system are these examples of?
2A    7F    1C
a)
Binary
b)
Denary
c)
Hexadecimal
9.
Which number system are these examples of?
1011      001011      10110101
a)
Binary
b)
Denary
c)
Hexadecimal
10.
What is 1111 converted into denary?
a)
15
b)
16
11.

Which of these are hexadecimal digits?

a)

F

b)

G

c)

6

d)

0

e)

H

12.

How many different values can be represented using 8 bits?

a)

128

b)

255

c)

256

d)

999

13.

Computers store all data using...

a)

Binary

b)

Hexadecimal

c)

Denary

d)

Octal

14.
Convert the binary number 11010110 to Hex
a)
A3
b)
B4
c)
C5
d)
D6
15.

Computers use binary to store data.

a)

True

b)

False

16.

Which of the following units is the smallest in terms of size?

Kilobyte, Megabyte,Nibble.

a)

Kilobyte

b)

Megabyte

c)

Nibble

17.

How many bits are in a byte?

a)

2

b)

4

c)

6

d)

8

18.

Smallest to largest, which of the below answers is correct?

a)

bit, nibble,byte,megabyte,kilobyte,terabyte,petabyte

b)

nibble, bit,byte,kilobyte,megabyte,terabyte,petabyte

c)

bit,byte,nibble,kilobyte,megabyte,petabyte,terabyte

d)

bit, nibble,byte,kilobyte,megabyte,terabyte,petabyte

19.

How many nibbles are there in a byte?

a)

1

b)

2

c)

4

d)

8

20.

11010111 in binary is...

a)

ODD

b)

EVEN