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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/ Instructor Gr. II/ Demonstrator in Electronics Engineering' And exam conducted in the year 2023. And Question paper code was '068/2023'. 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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068/23
Which of the following code is used for labelling the cells of a Karnaugh map
(K-map) ?
A) 8421 Binary B) BCD Code
C) Gray Code D) Decimal Code
The figure of merit of a logic family is often measured in the unit of
A) Pico joules B) Milli watts
C) Nano seconds D) Micro volts
The decimal equivalent of the octal number 6327.4051 is
A) 3287.5100098 B) 3872.5100088
C) 3278.5100089 D) 3287.5100089
In a half adder the carry output is high, if the inputs are :
A) 000 B) 001
௦) 111 D) 101
How many flip-flops are required to construct a mod-32 counter ?
A) 31 B) 32
Cc) 8 D) 5
The minimum number of 2 input NAND Gates required implementing a 2 input XOR
gate is
A) 5 B) 4
06 D) 3
State the correct statement for 8051 architecture.
A) DPTR 8 bit, PC 16 bit, CPU 8 bit, PSW 16 bit, SP 16 bit
B) DPTR 16 bit, PC 8 bit, CPU 8 bit, PSW 16 bit, SP 8 bit
C) DPTR 8 bit, PC 16 bit, CPU 8 bit, PSW 8 bit, SP 16 bit
D) DPTR 16 bit, PC 16 bit, CPU 8 bit, PSW 8 bit, SP 8 bit
After reset SP register is initialized to address
A) 8H B) 9H
C) 7H D) 6H