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Computer Networks: Data and Signals MCQs
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Computer Networks: Data and Signals MCQs
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25 Questions

1. Digital signals are represented in
2. The difference in the delay of the signal may create a difference in
3. Conversion of digital signal to analog signal is
4. How many factors data rate limit depends on
5. Sine wave can be represented by three parameters
6. We cannot send the digital signal directly to the channel, when the channel is
7. Signal to Noise Ratio is the ratio of the two
8. In data communications, we use periodic analog signals and
9. The range of frequencies contained in a composite signal is its
10. The term that refers to loss of strength of a signal is called
11. Analog data refers to information that is
12. The term that refers to infinite no of values in the range is
13. Bit length can be defined in terms of
14. In induced noise, the impairment is created by sources like
15. A period of 100 ms in microseconds would be equals to
16. The level of the signal is inversely proportional to the
17. The term that describes the position of the waveform relative to time 0 is
18. We send a voice signal from a microphone to a recorder, the transmission is
19. Digital data refers to the information that is
20. Change over a long span of time means
21. If a noiseless channel with a bandwidth of 3000 Hz transmitting a signal with two signal levels the maximum Bit rate would be
22. The bandwidth of a composite signal is the difference between the highest and
23. A transmission media can have signal impairment because of
24. The range of frequencies a channel can pass is called bandwidth in
25. Periodic analog signals can be classified as

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