Communication Engineering Set 14

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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