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Computer Network

61.

Maximum data rate of a noiseless 4 kHz channel using T1 PCM system is

Answer: B

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62.

Maximum data rate of a channel for a noiseless 3-kHz binary channel is

Answer: C

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63.

Power is connected to pins 7 and 14 of a 7408 quad two-input AND gate IC to allow voltage for all four AND gates on the IC.

Answer: B

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64.

Start and stop bits are used in serial communication for

Answer: C

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65.

Modem is used in data trasmission. When was it involved and in which country ?

Answer: C

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Answer: A

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67.

Number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self-connection is

Answer: B

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68.

Collision domain can be compared to which distance data travels between two stations ?

Answer: B

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Answer: A

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70.

How many pins does the 4049 IC have?

Answer: B

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