1. In electrical-pneumatic system analogy the current is considered analogous to

velocity

pressure

air flow

air flow rate

2. The temperature, under thermal and electrical system analogy, is considered analogous to

voltage

current

capacitance

charge

3. Equalizer is used for?

Filtering

Diminish distortion

All of the mentioned

None of the mentioned

4. Pulse shaping is done by which block or system?

Encoder

Baseband modulator

Pulse code modulator

Demodulator

5. What is the code rate?

k/n

n/k

All of the mentioned

None of the mentioned

6. Which block or device does the data compression?

Channel encoder

Source encoder

Modulator

None of the mentioned

7. What is the ASCII value of space?

32

48

96

65

8. How many bytes does a gigabyte have?

1 million bytes

10 million bytes

1 billion bytes

10 billion bytes

9. How many different combinations can be made from a n bit value?

2(n+1)

2(n)

2(n)+1

None of the mentioned

10. What are the advantages of digital circuits?

Less noise

Less interference

More flexible

All of the mentioned