Free Printable Number systems

1.

0101

a)

6

b)

4

c)

7

d)

5

2.

1100

a)

9

b)

10

c)

11

d)

12

3.

1111 1110

a)

EF

b)

FE

c)

DE

d)

ED

4.

What letters does hexadecimal use?

a)

A-F

b)

A-D

c)

P-W

d)

A-Z

5.

What is the base of hexadecimal?

a)

2

b)

10

c)

16

d)

32

6.

What does 'A' equal in denary?

a)

8

b)

9

c)

10

d)

11

7.

0101

a)

6

b)

4

c)

7

d)

5

8.

What does 'F' equal in denary?

a)

14

b)

15

c)

16

d)

17

9.

Why do we still use/need binary if hexadecimal is better?

a)

Because it is easier to understand

b)

Because computers use binary not hexadecimal

c)

There is no reason it is just the way it is

10.

Convert the Hex number 93 to binary.

a)

01010011

b)

10100011

c)

10010011

d)

10010010

11.

Convert 128 to binary

a)

10000000

b)

01111110

c)

10000001

d)

11001100

12.

Convert 37 to binary

a)

00100101

b)

00100011

c)

00100111

d)

01000101

13.

Convert 00010001 to decimal

a)

17

b)

27

c)

37

d)

47

14.

Convert 00100100 to decimal

a)

26

b)

36

c)

46

d)

56

15.

What digits does binary use?

a)

0 and 1

b)

1 and 2

c)

2 and 1

d)

2

16.

How many numbers does Binary have?

a)

2

b)

16

c)

10

d)

Too Many

17.

How many numbers does Hexadecimal use?

a)

16

b)

10

c)

2

d)

12

18.

What is denary?

a)

Our number system.

b)

Another word for hexadecimal.

c)

Another word for another for binary.

d)

What french people call their dinner.

19.

What is the largest number that can be made from an 8 bit binary table?

a)

16

b)

255

c)

256

d)

128

20.

What numbers does Hexadecimal use?

a)

0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 then A, B, C, D, E, F.

b)

0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

c)

1, 2, 3, 4, 5, 6, 7, 8, and 9.

d)

1 and 0

21.

Choose every word that also means denary.

a)

Decimal

b)

Base 10

c)

Base pairs

d)

Binary

22.

What letter does Hex go up to?

a)

F

b)

E

c)

Z

d)

H

23.

Data be converted in binary for computers to understand.

a)

False

b)

True

24.

What does the 1 and 0 in Binary represent?

a)

On and Off

b)

Yes and No

c)

Up and Down

d)

Left and Right

25.

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

26.

What is 12 in binary?
HINT: It has an 8 and a 4 in it!

a)

12

b)

11

c)

1100

d)

1011

27.

How high can you count in binary?

a)

As high as you want

b)

Up to 100

c)

Up to 2

d)

Up to one million

28.

Convert the hexadecimal number C9 to binary

a)

1100 1001

b)

1100 1000

c)

1100 1010

d)

1100 0101

29.

State the denary representation for the binary number 0011 1101

a)

60

b)

61

c)

62

d)

63

30.

What letters does hexadecimal use?

a)

A-F

b)

A-D

c)

P-W

d)

A-Z

31.

What does 'A' equal in denary?

a)

8

b)

9

c)

10

d)

11

32.

What does 5F equal in denary?

a)

90

b)

95

c)

100

d)

105

33.

What number in hexadecimal comes after 7F?

a)

80

b)

8F

c)

7G

d)

8A

34.

A9

a)

1010 1011

b)

1010 1001

c)

1001 1001

d)

1110 0101

35.

F6

a)

1111 0110

b)

1111 1010

c)

1111 0101

d)

1111 0011

Number systems

Total questions: 35

Worksheet time: 36mins

Similar Resources on Wayground