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This set of Communication Engineering Multiple Choice Questions & Answers (MCQs) focuses on Communication Engineering Set 14
Q1 | What is the time duration of a bit if data is transmitted at 270.833 kbps in the channel?
- 270.833 s
- 3 μs
- 3.692 μs
- 3.692 s
Q2 | US digital cellular system based on CDMA was standardized as
- is-54
- is-136
- is-95
- is-76
Q3 | IS-95 was not compatible with existing AMPS frequency band.
- true
- false
Q4 | Which of the following is used by IS-95?
- dsss
- fhss
- thss
- hybrid
Q5 | IS-95 uses same modulation technique for forward and reverse channel.
- true
- false
Q6 | IS-95 is specified for reverse link operation in band.
- 869-894 mhz
- 849-894 mhz
- 849-869 mhz
- 824-849 mhz
Q7 | User data in IS-95 is spread to a channel chip rate of
- 1.2288 mchip/s
- 9.6 mchip/s
- 12.288 mchip/s
- 0.96 mchip/s
Q8 | are used to resolve and combine multipath components.
- equalizer
- registers
- rake receiver
- frequency divider
Q9 | CT2 was the first generation of cordless telephones.
- true
- false
Q10 | CT2 is analog version of first generation cordless telephones.
- true
- false