Kerala PSC Previous Years Question Paper & Answer

Title : Technical Superintendent (Engineering) Kerala Co operative Milk Marketing Federation Limited
Question Code : A

Page:6

Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technical Superintendent (Engineering) Kerala Co operative Milk Marketing Federation Limited' And exam conducted in the year 2020. And Question paper code was '012/2020'. 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.

page: 6 out of 14
Excerpt of Question Code: 012/2020

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Which of the following circuits is used to convert multiple signals to a single output?

(A) 2XOR gates in parallel (B) 3 AND gates in parallel

(C) Multiplexer (D) Flip flop
Which of the following is an asynchronous eircuit?

(A) Latch (B) Flip Flop

(C) Both (A) and (B) (D) None of the above
What is the Binary Coded Decimal conversion of decimal 147?

(A) 011101000001 (B) 010001110001

(C) 010000010111 (D) 000101000111

Which of these gates are called universal gates?

(A) NAND gate (B) NOR gate
(C) Both (A) and (B) (D) None of the above
Which of the following gates give output as 1 for different inputs?
(A) XOR gate (B) AND gate
(C) XNOR gate (D) Both (A) and (C)
If A and B are given as input to a NAND gate, what is the output?
(ಯ) |4.8/ B A.B
(@ 8 @) 4.8
Convert BCD 0001 0010 0110 to binary :
(A) 1111101 ®) 1111110
(C) 1111000 ®) 1111111
How many data select lines are required for selecting N inputs in a multiplexer?
@) N2 ® V)

Which of the following statements accurately represents the two BEST methods of
logie cireuit simplification?

(ಗ) Boolean algebra and actual eircuit trial and error evaluation

(B) Karnaugh mapping and circuit waveform analysis

(0 Actual circuit trial and error evaluation and waveform analysis

(D) Boolean algebra and Karnaugh mapping

012/2020 8 A