NIELIT Scientist Recruitment Model Paper on Operating System

Shivaji University Kolhapur M.Sc Semester-I Computer Science Paper March 2019

The _____ provides a basis for application programs and acts as an intermediary between the computer user and the computer hardware.
(a) User
(b) Memory
(c) Operating System
(d) CPU

A ____ program cannot, in general, keep either the CPU or the I/O devices busy at all times.
(a) Multiple
(b) Single
(c) Dual
(d) Compound

A single-threaded process has one ____ ounter specifying the next instruction to execute.
(a) Program
(b) File
(c) Page
(d) Device

The ______ vary between WORM and RW formats.
(a) Channel
(b) Media
(c) Format
(d) Plan

A byte is 8 bits, and on most computers it is the smallest convenient chunk of _____
(a) CPU
(b) File
(c) Storage
(d) Nibble

General purpose computers run most of their programs from ____ memory, called main memory also called random-access memory.
(a) Rewritable
(b) Writable
(c) Readable
(d) Non-readable

_____ can improve reliability by detecting latent errors at the interfaces between component subsystems.
(a) Polymorphism
(b) Reduction
(c) User detector
(d) Protection

Firewall is designed to protect their networks from _____ breaches.
(a) System
(b) Protection
(c) Security
(d) Fire alarm

A system is ____ if it can perform mor ethan one task simultaneously.
(a) Parallel
(b) Embedded
(c) Cloud
(d) Storage

The value of a _____ semaphore can range only between 0 to 1.
(a) Binary
(b) Counting
(c) Octal
(d) Hexa-decimal

By switching the CPU among ____, the operating system can make the computer more productive
(a) Processess
(b) File
(c) Disk
(d) Memory

The _____ program typically has many short CPU bursts
(a) CPU-bound
(b) I/O-bound
(c) Short bound
(d) Long-bound

The _____ path name begins at the root and follows a path down to the specified file, giving the directory names on the path.
(a) Absolute
(b) Relative
(c) Parallel
(d) Special