• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Communication Systems

Communication Systems
A modem is classified as low speed if data rate handled is

Upto 400 bps
Upto 600 bps
Upto 100 bps
Upto 250 bps

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz.

995
5
10
4.9

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Skip distance depends on time of day and angle of incidence.

False
True

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be

Correlated
Statistically independent
Orthogonal
Uncorrelated

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
In TV systems, equalising pulses are sent during

Horizontal retrace
Horizontal blanking
Serrations
Vertical blanking

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
The main function of a balanced modulator is to

Produce 100% modulation
Produce balanced modulation of a carrier wave
Suppress carrier signal in order to create a single-sideband or double sideband
Limit noise picked by a receiver

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Communication Systems

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑