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 'JUNIOR INSTRUCTOR COMPUTER HARDWARE AND NETWORK MAINTENANCE English' And exam conducted in the year 2019. And Question paper code was '003/2019'. 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.
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A digital multiplexer is basically a combination logic circuit to perform the operation :
(A) AND-AND ೫) OR-OR (യ കയാ (D) OR-AND
The instruction that is used as prefix to an instruction to execute it repeatedly until CX resister
becomes zero is :
(A) SCAS (B) REP (೧) CMPS (D) STOS
The Bus Interface Unit of 8086 contains FIFO register of size bytes.
(ಹ) 8 (8) 6 © 4 D) 16
In 8086, the instruction providing both segment base and offset address are called :
(ക) Highaddress (B) Low address (C) Far address (D) Below address
The 8086 instruction which is used for translating from one code to another code is :
(ல XLAT (B) XCHG © णः (D) PUSH
In 8086, the overflow flag is set when
(^) The sum is more than 16 bits
(8) Signed numbers go out of their range after arithmetic operation
(C) سی and sign flags are set
(D) Subtraction
Among the following, Access time is faster for :
(A) SRAM (9) DRAM (C) ERAM (D) ROM
Which method by-passes the CPU for certain types of data transfer ?
(^) Software Interrupts (8) Interrupt driven 0
(ಲ) PolledI/O (D) Direct Memory Access (DMA)
Which group of instructions do not affect flags ?
(ಯ) Arithmetic operations (8 Logic Operations
(C) Data Transfer Instructions (D) Branch Instructions
The result of MOV AL, 65 is to store :
(ക) 01000010 in AL (B) 42H in AL
௦ 40H in AL (D) 01000001 in AL
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