COMMUNICATION SYSTEMS QUIZ

Anticlockwise

Mostly anticlockwise but some times clockwise

Clockwise or anticlockwise depending on frequency of data stored

Clockwise

300 ohm

100 ohm

500 ohm

1000 ohm

200 and 1.01

200 and 200

200 and 100.1

200 and 10.01

0.5

0.8

1

None of these

Laser beam for recording and video head for playback

Video head for recording and laser beam for playback

Laser beam for both recording and playback

Change the antenna orientation of location

Twist the transmission line

Use a longer transmission line

Connect a booster

Quantising noise can be overcome by companding

Suffers from the disadvantage of its incompatibly with TDM

Quantising noise can be reduced by decreasing the number of standard levels

Large bandwidth is required

Cheaper

Costly

None of these

Almost equally costly

Amplitude of distant sidebands remains constant

Amplitude of distant sidebands first increases, then decreases

Amplitude of distant sidebands decreases

Amplitude of distant sidebands increases

False

True