Kerala PSC Previous Years Question Paper & Answer

Title : Junior Instructor(Technician Power Electronics System-TPES)
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(Technician Power Electronics System-TPES)' And exam conducted in the year 2023. And Question paper code was '125/2023'. 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.

page: 10 out of 16
Excerpt of Question Code: 125/2023

125/23

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Which part of the DSO store the processed data of input signal voltage ?
A) Memory B) Screen display
C) Analog to digital converter D) Digital to analog converter

The function performed by the sample/hold circuit along with the ADC in digital storage
oscilloscope is

A) Storage B) Data display
C) Data acquisition D) Upload to computer

Which circuit is used in digital storage oscilloscope to convert the input sample voltage
into digital information ?

A) Rectifier circuit

B) Analog to digital converter circuit

C) Digital to analog converter circuit
)

D) Inverter circuit

For commercial purposes, the digital storage oscilloscope will allows up to
A) 10 channel B) 20 channel
C) 30 channel D) 40 channel

What is the bit size of the 8051 micro controller ?
A) 32 bit B) 16 bit C) 8 bit D) 4 bit

Name the architecture and instruction set used for MC 51.
A) Van-Neumann architecture with CISC instruction set
B) Harvard architecture with CISC instruction set
C) Van-Neumann architecture with RISC instruction set

)

D) Harvard architecture with RISC instruction set

The number of input/output ports in 8051 microcontroller

A) 4 ports B) 5 ports C) 3 ports D) 6 ports

‘SCON’ in serial port is used for which operation ?
A) Transferring data B) Receiving data

C) Controlling data D) Controlling and transferring data

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