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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electonics Engineering ( NCA)' And exam conducted in the year 2017. And Question paper code was '098/2017/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.
D:-Exclusive-OR
Correct Answer:- Option-D
Question47:-A decoder can be used as a demultiplexer by
A:-tying all enable pins LOW
B:-tying all data-select lines LOW
C:-tying all data-select lines HIGH
D:-using the input lines for data selection and an enable line for data input
Correct Answer:- Option-D
Question48:-A binary code that progresses such that only one bit changes between two successive codes is
A:-Gray code
B:-8421 code
C:-Excess-3 code
D:-nine's-complement code
Correct Answer:- Option-A
Question49:-A MOD-16 ripple counter is holding the count *1001_(2)*. What will the count be after 31 clock pulses.
1000 (2)"
ഉ:-1101 (2):
Correct Answer:- Option-A
Question50:-Select the statement that best describes Read-Only Memory (ROM).
A:-Non-volatile, used to store information that changes during system operation
B:-Non-volatile, used to store information that does not change during system operation
:-Volatile, used to store information that changes during system operation
D:-Volatile, used to store information that does not change during system operation
Correct Answer:- Option-B
Question5 1:-Which of the following logic families has the shortest propagation delay 7
A:-CMOS
B:-BiCMOS
ECL
D:-TTL
Correct Answer:- Option-C
Question52:-A binary input 000 is fed to a 3 bit DAC/ADC. The resultant output is 101. Find the type of error ?
A:-Offset error
-Gain error
-Settling error
D:-Linearity error
Correct Answer:- Option-A
Question53:-The transmit buffer of serial data buffer is a
A:-Serialin parallel-out register
-Parallel-in serial-out register
C:-Serial-in serial-out register
D:-Parallel-in parallel-out register
Correct Answer:- Option-B
Question54:-The register that provides control and status information about serial port is
A: IP
8:1६
C:-PCON and SCON
D:-TSCON
Correct Answer:- Option-C
Question55:-The instruction that performs logical AND operation and the result of the operation is not available is
D:-TEST
Correct Answer:- Option-D
Question56:-Which instruction cannot force the 8086 processor out of ‘halt' state ?
A:-Hold
B:-Reset