Communication Engineering MCQs with answers Page - 4

Here, you will find a collection of MCQ questions on Communication Engineering. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Chips are the

  • (A) repeated symbols
  • (B) non repeated symbols
  • (C) smallest length symbols
  • (D) none of the mentioned

A

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Q. Slow frequency hopping is

  • (A) several hops per modulation
  • (B) several modulations per hop
  • (C) several symbols per modulation
  • (D) none of the mentioned

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Q. Fast frequency hopping is

  • (A) several modulations per hop
  • (B) several modulations per symbol
  • (C) several symbols per modulation
  • (D) none of the mentioned

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Q. Which duration is shorter?

  • (A) hop duration
  • (B) symbol duration
  • (C) chip duration
  • (D) none of the mentioned

A

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Q. Frequency division multiple access (FDMA) assigns channels to users.

  • (A) individual, individual
  • (B) many, individual
  • (C) individual, many
  • (D) many, many

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Q. If the FDMA channel is not in use, it can be used by other users.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

A

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Q. The bandwidth of FDMA channel is

  • (A) wide
  • (B) narrow
  • (C) large
  • (D) zero

A

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Q. Which of the following is not true for FDMA systems as compared to TDMA systems?

  • (A) low complexity
  • (B) lower cell site system cost
  • (C) tight rf filtering
  • (D) narrow bandwidth

A

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Q. is undesired RF radiation.

  • (A) intermodulation frequency
  • (B) intermediate frequency
  • (C) instantaneous frequency
  • (D) instrumental frequency

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Q. is based on FDMA/FDD.

  • (A) gsm
  • (B) w-cdma
  • (C) cordless telephone
  • (D) amps

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