441. In electronic communications, "AM" stands for

Amp Modification

Amplitude Method

Amplitude Modulation

Ampere Method

442. A sinusoidal signal is analog signal, because

it can have a number of values between the negative and positive peaks

it is negative for one half cycle

it is positive for one half cycle

it has positive as well as negative values

443. Speed of data transmission in 4-G network of telecom is

386 kbps - 2 mbps.

2 mbps.

2 mbps – 1 gbps.

100 mbps - 1 gbps.

444. FM stands for

frequent modulation.

frequency modulation.

frequency moderator.

frequent moderator.