1000+ OS MCQ Questions and Answers Pdf - 2

Question: 6

Block or buffer caches are used

(A) to speed up main memory read operation

(B) to increase the capacity of main memory

(C) to handle interrupts

(D) to improve disk performance

Question: 7

Which of the following is not an advantage of multiprogramming?

(A) ability to assign priorities to jobs

(B) decreased operating system overhead

(C) shorter response time

(D) increased throughout

Question: 8

The macro processor must perform

(A) expand macros calls and substitutes arguments

(B) save the macro definitions

(C) recognise macro definitions and macro calls

(D) all of these

Question: 9

Which of the following is not a part of the operating system?

(A) input/output control program

(B) job control program

(C) performance monitor

(D) supervisor

Question: 10

A hardware device that is capable of executing a sequence of instructions, is known as

(A) Processor

(B) CU

(C) CPU

(D) ALU