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Worksheets

Digital Electronics

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is Circuit?

a)

Open-loop through which electrons can pass.

b)

Closed-loop through which electrons can pass.

c)

Closed-loop through which neutron can pass.

d)

None of them.

2.

Which of the following is an example of a digital electronics?

a)

Computer.

b)

Information Appliances.

c)

Digital Cameras.

d)

All of the mentioned.

3.

Which of the following digital logic circuits can be used to add more than 1-bit simultaneously?

a)

Full-Adder.

b)

Ripple-Carry adder.

c)

Half-adder.

d)

Serial-adder.

4.

What are the basic gates in MOS logic family?

a)

NAND and NOR

b)

AND and OR

c)

NAND and OR

d)

AND and NOR

5.

What is the group of 1s in 4 cells of a K – map called?

a)

Pair

b)

Quad

c)

Octet

d)

Octave

6.

Which of the following gives the correct number of multiplexers required to build a 32 x 1 multiplexer?

a)

Two 16 x 1 mux

b)

Three 8 x 1 mux

c)

Two 8 x 1 mux

d)

Three 16 x 1 mux

7.

The result “X + XY = X” follows which of these laws?

a)

Consensus law

b)

Distributive law

c)

Duality law

d)

Absorption law

8.

The largest two digit hexadecimal number is ________?

a)

(FE)16

b)

(FD)16

c)

(FF)16

d)

(EF)16

9.

2’s complement of 11001011 is ____________?

a)

01010111

b)

11010100

c)

00110101

d)

11100010

10.

On addition of +38 and -20 using 2’s complement, we get ____________?

a)

11110001

b)

100001110

c)

010010

d)

110101011