GATE EC Question Paper 1992.
GATE i.e. Graduate Aptitude Test in Engineering Electronics and Communication 1992 Exam has been conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE EC 1992 examination is the procedure to get the admission in M.Tech
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GATE EC Question Paper 1992
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1. Coherent demodulation of FSK signal can be eff ected using
(a) correlation receiver
(b) Bandpass filters and envelope detectors
(c) matched filter
(d) discriminator detection.
2. Source encoding in a data communication system is done is order to
(a) enhance the information transmission rate
(1) reduce the transmission errors
(c) conserve the transmitted power
(d) facilitate clock recovery in the receiver.
3. A transmission line whose characterstic impeda nce is a pure resistance
(a) must be a lossless line
(b) must be a distortionless line
(c) may not be a loss less line
(d) may not be a distortionless line.
4. Relative to a given fixed tree of a network,
(a) Link currents form an independent sets
(h) Branch voltage form an independent set
(c) Link currents form an independent set
(d) Branch voltage form an independent set