Kerala PSC Previous Years Question Paper & Answer

Title : JUNIOR INSTRUCTOR (TECHNICAL POWER ELECTRONICS SYSTEM)
Question Code : A

Page:10


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR (TECHNICAL POWER ELECTRONICS SYSTEM) ' And exam conducted in the year 2017. And Question paper code was '078/2017/OL'. 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: 10 out of 11
Excerpt of Question Code: 078/2017/OL

D:-X-OR
Correct Answer:- Option-C
Question87:-The logic gate which has ‘high’ output when its inputs are different is
A:-NOR
B:-EX-OR
C:-NAND
D:-EX-NOR
Correct Answer:- Option-B
Question88:-The biggest advantage of ECL is
A:-High fan out
B:-High speed
C:-Low power consumption
D:-High density
Correct Answer:- Option-B
Question89:-The term CMOS stands for
A:-Capacitance Metal Oxide Semiconductor
B:-Complimentary Metal Oxide Semiconductor
C:-Charged Metal Oxide Semiconductor
D:-Copper Metal Oxide Semiconductor
Correct Answer:- Option-B
Question90:-A BCD-to-Decimal decoder converts
A:-BCD code to decimal digits
B:-Binary code to decimal digits
C:-BCD code to binary code
D:-BCD code to grey code
Correct Answer:- Option-B
Question91:-The number of flip-flops required to construct a decade counter is
൧-2
8:-3
C:-4
D:-6
Correct Answer:- Option-C
Question92:-The number of NOR gates required to construct R-S flip-flop is
‏ا‎
‎8:-2
‎C:-3
‎D:-4
‎Correct Answer:- Option-B
Question93:-The basic building block of a counter is
A:-AND gate
B:-OR gate
C:-NAND gate
D:-Flip-flops
Correct Answer:- Option-D
Question94:-ROM is a non-volatile memory. The name of volatile memory is
A:-PROM
B:-SRAM
C:-EPROM
D:-RAM
Correct Answer:- Option-D
Question95:-Modern data storage device named ‘pen drive' has a capacity of storing 16 GB data, what does it mean
A:-16 x *"10*9"" * “bytes
B:-16 x *"10*6"" bytes
C:-16 x *"10*9"" bits
D:-16 x *"10*6"" bits
Correct Answer:- Option-A
Question96:-An OP-AMP is designed to amplify
A:-AC voltage
B:-DC voltage

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JUNIOR INSTRUCTOR (TECHNICAL POWER ELECTRONICS SYSTEM) : Video