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Computer Network

51.

A waveform can be enabled or disabled by both AND and OR gates.

Answer: A

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52.

The logic gate that will have HIGH or "1" at its output when any one (or more) of its inputs is HIGH is a(n):

Answer: A

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53.

A circuit switching network has the following characteristics :

Set up time = 5 sec
Propagation = 5 sec
Message size = 1 M bits
Data transmission rate = 1 M bits
Data transmission rate = 1
Kbps Number of hops = 10

When will the last bit of the message reach the receiver ?

Answer: D

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54.

What is the Boolean expression for a three-input AND gate?

Answer: B

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55.

How many inputs of a four-input AND gate must be HIGH in order for the output of the logic gate to go HIGH?

Answer: D

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56.

In communication satellite, multiple repeaters are known as

Answer: D

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57.

In a time - division switch, which governs the destination of a packet stored in RAM?

Answer: D

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Answer: A

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Answer: A

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60.

Which among the following does not allow multiple uses or devices to share one communication line?

Answer: A

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