Analog Communication MCQ Questions and Answers for Practice

1. How many users (clients) are there in point to point communication ?

1. two
2. three
3. four
4. one

2. Prehistoric communication modes includes sending of information via

1. Air
2. Smokes and Drum
3. Sound
4. Wires and Telephony

3. Pick the odd man out:

1. Digital Communication
2. Letters and Telegraph
3. Drums and Smoke
4. Wired Telephony

4. Which of the following is not one of the mode of the communication?

1. Multicasting
2. Point to Point
3. Broadcasting
4. Cacophony

5. Signal bear some useful information about the physical quantity present ?

1. false
2. cant say
3. none of these
4. true

6. Normally when the signal is represented, the independent axis is of

1. Time
2. Frequency
3. Amplitude
4. Phase

7. Sound communication started for the first time by starting

1. Telephony
2. Television
3. Microwaves
4. Satellite

8. Broadcasting is the dissemination of the information to

1. multi users
2. 4 users
3. 1 user
4. 2 users

9. Distortion less communication system has a impulse response of

1. zero
2. greater than 1
3. unity
4. infinity

10. Sophisticated technological advancement has now introduced new modes of communication in

1. Satellite Communication
2. Optical Fiber Communication
3. All of the above
4. Mobile Communication

11. Which is incorrectly matching statement

1. Digital and Continuous
2. Periodic and Aperiodic
3. Causal and Non Causal
4. Deterministic and Random

12. Spot the incorrect periodic signal among the following

1. Cosine Function
2. Exponential Function
3. Sine Function
4. Square wave function

13. An Energy signal has Energy and Power Specification as

1. P =finite and E = 0
2. P =unity and E = finite
3. P =0 and E = finite
4. P =infinite and E = finite

14. A power signal has power and energy specification as

1. Power = finite and Energy = infinite
2. Power = 0 and Energy = infinite
3. Power = infinite and Energy = 0
4. Power = finite and Energy = finite

15. The three standard colors used for video transmission are

1. red, blue, green
2. red, yellow, green
3. blue, yellow, white
4. red, blue, yellow