Free Printable NUMBER SYSTEMS

1.

The Base of the hexadecimal number systems is

a)

2

b)

6

c)

8

d)

16

2.

The Number of digits in a binary number system are

a)

10

b)

2

c)

8

d)

16

3.

name the number system which uses alphabets as well as numerals

a)

Binary

b)

Hexadecimal

c)

Octal

d)

Decimal

4.

Which out of the following Binary numbers is equivalent to decimal number 24

a)

11111

b)

11000

c)

101010

d)

00010

5.

The String of 8 bits is knows as

a)

Nibble

b)

Byte

c)

octed

d)

quad

6.

The ASCII code is basically.........bit code

a)

5

b)

6

c)

7

d)

8

7.

Ones complement of 10101

a)

01010

b)

11100

c)

10100

d)

01011

8.

The binary equivalent of 12 is

a)

1100

b)

1010

c)

1110

d)

0101

9.

Write the decimal number of 1110

a)

14

b)

12

c)

10

d)

13

10.

One Nibble contain the number of bits equal to

a)

2

b)

4

c)

8

d)

16

11.

The number of digits required to represent a decimal number 31 in equivalent binary form are

a)

2

b)

3

c)

4

d)

5

e)

6

12.

12.convert decimal 8 to binary

a)

1000

b)

0100

c)

0010

d)

0001

13.

convert 0.25 to binary

a)

001

b)

010

c)

100

d)

101

14.

(A)10= ( (a) )16

15.

convert decimal 31 to hexadecimal

a)

1E

b)

1F

c)

EF

d)

FE

16.

Octal equivalent of the binary 110101

a)

64

b)

65

c)

45

d)

54

17.

Hex equivalent of 10001101

a)

8D

b)

86

c)

8E

d)

97

18.

2'S Complement of 1011

a)

0101

b)

0100

c)

1101

d)

0010

19.

Find the binary of 1E

a)

00101110

b)

01001000

c)

00011110

d)

10011100

20.

16 bit string is called

a)

nibble

b)

byte

c)

word

d)

double wword

21.

Largest two digit hexadecimal is

a)

FE

b)

FD

c)

FF

d)

EF

22.

In BCD each number is represented by......bits

a)

2

b)

3

c)

4

d)

5

NUMBER SYSTEMS

Total questions: 22

Worksheet time: 12mins

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