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 'Demonstrator in Electronics and Instrumentation & Demonstrator in Instrument Technology' And exam conducted in the year 2022. And Question paper code was '129/2022'. 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.
129/22
97. Two passive RC integrator circuits are connected in series. If the input to the first
RC integrator circuit is a pulse waveform, what will be the output of secondary RC
integrator circuit ?
A) Triangular wave B) Spikes
C) Sine wave D) Square wave
98. The number of special function registers in 8051 is
A) 20 B) 21 C) 22 D) 23
99. Consider the following program. Let’s assume that internal memory 80 H contains
0511.
ORGOOH
MOV R3, #80H
MOV A, @R3
MOV B, A
ADD A,B
END
Choose the right answer.
A) Accumulator will contain 10H
8) Accumulator will contain OAH
C) Syntax error
D) Not able to access internal memory
100. Example of a register addressing mode is
i. MOV A,B
1. MOV R1, RO
iii; MOV A, © 1
iv. MOV 8, 83
A) Only ii and iv
B) Only i, ii and iv
)
)
C) Only i and iv
D) Alli, ii, ۷۴
A 55