Top 150+ Solved Digital Communication MCQ Questions Answer

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Q.                    synchronization overhead is required in TDMA due to                 transmission.

a. high, burst

b. high, continuous

c. low, burst

d. no, burst

  • a. high, burst
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Q.                      of TDMA system is a measure of the percentage of transmitted data that contains information as opposed to providing overhead for the access scheme.

a. efficiency

b. figure of merit

c. signal to noise ratio

d. mean

  • a. efficiency
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Q. A TDMA system uses 25 MHz for the forward link, which is broken into radio channels of 200 kHz. If 8 speech channels are supported on a single radio channel, how many simultaneous users can be accommodated?

a. 25

b. 200

c. 1600

d. 1000

  • d. 1000
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Q. US digital cellular system based on CDMA was standardized as                  

a. is-54

b. is-136

c. is-95

d. is-76

  • c. is-95
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Q. Which of the following technique used in CDMA

a. qam

b. gmsk

c. ds-ss bpsk

d. fh-ss fsk

  • c. ds-ss bpsk
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