Question

Communication deals with the principle of transferring information from

one place to ____________.

a)

Same

b)

Various

c)

Another

d)

different

2.

It involves transmission and reception, and processing of -

________between these two locations.

a) different

b) various

c) same

d) various

3.

The source could be in continuous form as in the case of analog

communication and as discrete signals as in the case of digital

communication.

a) True

b) False

4.

_________ distance transmission of information is called baseband

transmission.

a) Long

b) Medium

c) Short

d) Closest

5. For ________ distance transmission, information has to be impressed

upon an high frequency component to be able to reach the reception end

of communication.

A. Long

B. Medium

C. Short

D. Closest

6.

The high frequency component is termed as a carrier and the entire

process is called modulation.

a) High

b) Low

c) Medium

d) Mild

7.

Depending on whether the amplitude, frequency, or phase of the carrier

is varied in accordance with the modulation signal, we classify the

modulation as

a) Amplitude modulation

b) Frequency modulation

c) Phase modulation.

d) All of the above options.

8.

Modulation index ‘m’ is the ratio of Em/Ec

a)True

b)False

9.

Carrier frequency must be relatively _______than the message frequency

A) Higher

B) Lower

C) Similar

D) Stronger

10.

Amplitude of the carrier is changed in _________to the instantaneous

amplitude of a message signal

A) Proportion

B) Inverse

C) unbalance

D) asymmetry

Answer 1