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Digital electronics fundamental

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

The 3 stages of Analog to digital conversion are

a)

Sampling, Quantization and Encoding

b)

Quantization,Sampling and Encoding

c)

Encoding,Quantization and Sampling

d)

None

2.

The conversion of decimal number (37.8125) to Binary is

a)

100101.1101

b)

11010.0101

c)

101010.1010

d)

010101.0101

3.

Find Octal number equivalent of the Decimal number (214.640625)

a)

326.51

b)

320.15

c)

326.10

d)

326.25

4.

Convert the decimal number 3509 to Hexadecimal

a)

DB5

b)

BD5

c)

5BD

d)

ABC

5.

110001.101 is equal to .......... in Decimal

a)

49.625

b)

50.625

c)

94.625

d)

49.865

6.

101.110.110.11 is equivalent to ------------ in Octal system

a)

56.66

b)

66.66

c)

65.66

d)

66.56

7.

The Hexadecimal equivalent of 1101100010011011 is

a)

D89B

b)

BD98

c)

89BD

d)

DB89

8.

Binary equivalent of the Octal number 725.63 is

a)

111010101.110011

b)

10101010.101010

c)

01010101.0101

d)

None

9.

Find Hexadecimal equivalent of the Octal number 7689.35

a)

ABCD.23

b)

DCBA.EF

c)

ABCD.EF

d)

None

10.

9B2.1A is equivent to ........... in Decimal

a)

2482.1015

b)

2345.1015

c)

2542.1015

d)

None

11.

ABCD.EF is equivalent to ............. in Binary

a)

1010101111001101.11101111

b)

ABCD.EF

c)

10101010101010.1010101010

d)

0101010101.01010101

12.

Add 1010 to 1111

a)

101001

b)

01010101

c)

0110101

d)

10101010

13.

1's Complement of 1000 is

a)

0111

b)

1000

c)

1010

d)

0101

14.

2's complement of 1000 is

a)

1000

b)

0111

c)

1010

d)

None

15.

Find the answer of (0101111 - 0101000)

a)

0000111

b)

1000101

c)

1000111

d)

None