Free Printable Digital electronics

Free Printable Worksheets

Worksheets

Digital electronics

Total questions: 40

Worksheet time: 12mins

Name

Class

Date

1.

Minterm of 1010 is

a)

ABCD'

b)

AB'CD

c)

AB'CD'

d)

A+B'+C+D

2.

Maximum how many variable kmap I can construct

a)

4

b)

6

c)

5

d)

As many as you want

3.

Convert ABC INTO BINARY

a)

101010101010

b)

101010111011

c)

101010111110

d)

101010111100

4.

Other name for data selector

a)

Demux

b)

Multiplexer(Mux)

c)

Encoder

d)

Decoder

5.

Complement of AB+AC is

a)

(A+B) (A+C)

b)

(A'+B') (A'+C')

c)

(AB+AC)'

d)

Both B & C

6.

Gray code of 1011

a)

1101

b)

1101

c)

1110

d)

1011

7.

Excess 3 code is also called as

a)

Binary code

b)

Reflected code

c)

Weighted code

d)

None of the above

8.

Convert 1011 gray to Binary code

a)

1011

b)

1101

c)

1100

d)

1010

9.

Other name of bcd adder

a)

Sum adder

b)

Octal adder

c)

Binary adder

d)

Decimal adder

10.

Represent 10 in bcd

a)

00100000

b)

00010000

c)

01000000

d)

00001010

11.

Xs3 code of 0010

a)

0100

b)

0101

c)

0111

d)

1000

12.

Convert 16 into binary

a)

10000

b)

1000

c)

1111

d)

1010

13.

A+BC=(A+B)(A+C)is called as

a)

Distributive law

b)

Absorption law

c)

Consensus law

d)

Demorgans law

14.

Duality of A+1=1

a)

A. 1=A

b)

A. 0=0

c)

A'.0=0

d)

A+0=A

15.

1's complement of 1001 is

a)

0111

b)

0011

c)

0110

d)

1011

16.

Xor of 101110 is

(a)

17.

How many gates in the Ic 7404

a)

7

b)

4

c)

6

18.

Universal gate is

a)

And gate

b)

Or gate

c)

Xor and xnor

d)

Nand and nor gate

19.

Ic7402 is called as

a)

Nand gate

b)

And gate

c)

Not gate

d)

Nor gate

20.

Ones complement of 10101 is

a)

01010

b)

00100

c)

10101

d)

11000

21.

Minterm is the opposite of maxterm

a)

True

b)

False

c)

None of the above

d)

All the above

22.

Convert 100101 binary into octal

a)

46

b)

45

c)

25

d)

44

23.

Convert 100101.1010 binary into octal

a)

45.5

b)

45.12

c)

46.12

d)

45.120

24.

Convert 100111 binary into hexadecimal

a)

27

b)

2A

c)

93

d)

44

25.

Convert AB9 into binary

a)

101010111001

b)

100010010101

c)

101011001001

d)

10011100101

26.

Ic name of xnor gate is

a)

IC7432

b)

Ic7489

c)

Ic7456

d)

IC7486

27.

2's complement of 1101 is

a)

0010

b)

0011

c)

0101

d)

0111

28.

Represent 456 in BCD

a)

010001010110

b)

101101100010

c)

01011011010

d)

100110010110

29.

Represent 1010 in maxterm

a)

A+b'+c+d'

b)

A'+b+c'+d'

c)

A'+b+c'+d

d)

None of the above

30.

Number range from 3 to 12 is

a)

BCD code

b)

Gray code

c)

Binary code

d)

Xs3 code

31.

1+A=1 is called as

a)

Null law

b)

Consensus law

c)

Identity law

d)

Absorption law

32.

Write identity law

(a)

33.

Gray code of 1100

a)

1000

b)

1010

c)

0100

d)

1100

34.

2's complement of 1101 is

a)

1010

b)

0010

c)

0010

d)

0011

35.

Xs3 code of 1010 is

a)

1101

b)

1100

c)

14

d)

1100

36.

How to represent number 12 in BCD

a)

1100

b)

11001100

c)

00010010

d)

00100001

37.

How many 2:1 mux is required to construct 4:1 mux

a)

2

b)

4

c)

5

d)

3

38.

If all the inputs are zero output is 1 then the gate is called as

a)

NAND

b)

Not

c)

Nor

d)

Xnor

39.

Ic7404 is called as

a)

Not

b)

Nand

c)

Nor

d)

And

40.

For 2 input addition we use

a)

Or gate

b)

Half adder

c)

Full adder

d)

Nor

Reset

Similar Resources on Wayground

45 questions

Chương 7-Lập trình giao tiếp

Worksheet

•

University

40 questions

Quiz1_IBD

Worksheet

•

University

41 questions

Learning Module 4 Electric Circuits

Worksheet

•

University

40 questions

Construction Equipment and Safety Quiz

Worksheet

•

University

41 questions

Computer Network Quiz

Worksheet

•

University

40 questions

Operating System Concepts Quiz

Worksheet

•

University

40 questions

FT1_VLSI

Worksheet

•

University

40 questions

ICN_Quiz-2

Worksheet

•

University