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Kerala PSC Computers Question and Answers - 6

Kerala PSC Computers Question and Answers - 6

Q.1. Thrashing

(1) is a natural consequence of virtual memory system
(2) can always be avoided by swapping
(3) always occur on large computers
(4) can be caused by poor paging algorithms
(5) Both 1 & 2


Q.2. What is the name of the operating system that reads and reacts in terms of actual time?

(1) Batch system
(2) Quick response system
(3) Real time system
(4) Time sharing system
(5) Time Switching System


Q.3. Two basic types of operating systems are-

(1) sequential and direct
(2) batch and time share
(3) sequential and real time
(4) batch and interactive
(5) None of these


Q.4. Which of the following is not a part of the operating system?

(1) Supervisor
(2) Performance monitor
(3) Job control program
(4) Input output control program
(5) Both 1 and 3


Q.5. Which of the following is not an advantage of multiprogramming ?

(1) Increased throughout
(2) Shorter response time
(3) Decreased operating system overhead
(4) Ability to assign priorities to jobs
(5) Decreased throughout


Q.6. Which of the following software is used to simplify using of system software?

(1) Spreadsheet
(2) Operating environment
(3) Time sharing
(4) Multi-tasking
(5) Excel


Q.7. A front end processor used in -

(1) multiprogramming
(2) virtual storage
(3) time sharing
(4) multiprocessing
(5) All


Q.8. Operating system is a collection of———

(1) hardware components
(2) input-output devices
(3) software routines
(4) all of these
(5) None of these


Q.9. Spooling is most beneficial in multi-programming environment where

(1) most jobs are CPU-bound
(2) most jobs are I/O bound
(3) jobs are evenly divided as I/O bound and CPU bound
(4) there is limited primary memory and need for secondary memory
(5) None of these


Q.10. Which of the following is not an operating system?

(1) UNIX
(2) MS-DOS
(3) PASCAL
(4) CP/M
(5) Linux


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