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 'Workshop Instructor/ Demonstrator/ Instructor Grade II in Electronics and Communication' And exam conducted in the year 2023. And Question paper code was '058/2023'. 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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Which of the following is not an assembler directive in an AVR ?
A) ORG B) EQU
C) INCLUDE D) DDR
The minimum number of two- input NAND gates required to realize a half subtractor
A) 6 B) 5
04 D) 3
The program
LDI R16, $FF
OUT DDRB, R16 will
A) Configure PORT B as output port
B) Configure PORT B as input port
C) Read 7 bit data and store in R16 register
D) None of the above
A 2-bit parallel counter and a 3-bit Johnson counter are cascaded. The modulus of
the cascaded configuration is
A) 16 B) 6
0) 12 D) 24
The speed control of DC motor through the interfacing with 8051 can be accomplished
with
A) PPM B) PWM
७) PAM D) All the above
The PLL can be used for
A) Frequency multiplication B) Frequency division
C) FM demodulation D) All the above
Which one of the following have large code size and less execution time ?
A) Subroutine B) Macro
C) Subroutine and macro D) None of the above
The phase difference between the input and output voltages of a common base
transistor amplifier is
A) 270° B) 180°
C) 90° D) 0