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 'Electrical Engineer' And exam conducted in the year 2023. And Question paper code was '70/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
Correct Answer:- Option-A
Question32:-Convert BCD 000100100110 to binary
A:-1111000
B:-1111100
C:-1111110
D:-1111111
Correct Answer:- Option-C
Question33:-Binary equivalent of Gray code 0101 is
A:-1101
B:-1100
C:-1001
D:-0110
Correct Answer:- Option-D
Question34:-The logic circuit of binary adder which is used to add 4 bits of binary
nos, requires half adder(s) and full adder(s)
A:-3,1
B:-1, 3
C:-2, 2
D:-4, 0
Correct Answer:-Question Cancelled
Question35:-Given two half adders, What extra two input gate is required to build a
full adder?
A:-NOR gate
B:-XOR gate
C:-OR gate
D:-AND gate
Correct Answer:- Option-C
Question36:-How many select lines would be required for an 8 line to 1 line
multiplexer
A:-2
B:-4
C:-8
D:-3
Correct Answer:- Option-D
Question37:-The clock frequency of an 8085 microprocessor is 5MHz. If the time
required to execute an instruction is 1.4 us. Then the no of T states needed for
executing the instruction is