Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT PROFESSOR IN ELECTRONICS AND COMMUNICATION ENGINEERING TECHNICAL EDUCATION ENGINEERING COLLEGES' And exam conducted in the year 2016. And Question paper code was '062/2016'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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The diserete-time signal x(n) = (- 1)" is periodic with fundamental period :
(4 6 © 4
© 2 M) 0
At a frequency of 1 GHz and transmitter-receiver distance of 30 mi, which is the most
efficient device for energy transfer :
(ಗ) Transmission lines (B) Wave guides
(C) Antennas (D) None of the above
Non-coherently detection is not possible for :
(ಯ) PSK (B) ASK
ر) 5 (D) BSK
An increase in the base recombination of a BJT will increase :
(A) the common emitter dc current gain £
(B) the breakdown voltage BVCEQ
(C) the unity-gain cut-off frequency /T’
(D) the transconductance gm
If the correct statements out of the ones given below are given a binary 1 and incorrect ones
are assigned a 0, then the 2's compliment of the 6 bit binary number (consider first
" statement’s assignment as least significant bit) is :
(1) Statistical independence implies negative covariance
(ii) Group 3 MH fax code uses a form of arithmetic coding
(iil) Steven's law states that rational scales follow a logarithmic law
(iv) The Karhunen-Lo eve transform is commonly approximated by the z-transform
(v) 40 dB corresponds to an 80x increase in voltage.
(11) The human ear has about 480 critical bands
(4) 111111 (B) 000000
ತ್ 100101 (D) 011011
062/2016 18 A
