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MCQ

A system is in the safe state if ____________

the system can allocate resources to each process in some order and still avoid a deadlock

there exist a safe sequence

all of the mentioned

none of the mentioned

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MCQ

The state of the data accessed by an aborted transaction must be restored to what it was just before the transaction started executing. This restoration is known as ________ of transaction.

safety

protection

roll-back

revert-back

Discussion

MCQ

A terminated transaction that has completed its execution successfully is ____________ otherwise it is __________

committed, destroyed

aborted, destroyed

committed, aborted

none of the mentioned

Discussion

MCQ

What are the two kinds of semaphores?

mutex

binary

counting

decimal

Discussion

MCQ

A collection of instructions that performs a single logical function is called ____________

transaction

operation

function

all of the mentioned

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MCQ

For a Hold and wait condition to prevail ____________

A process must be not be holding a resource, but waiting for one to be freed, and then request to acquire it

A process must be holding at least one resource and waiting to acquire additional resources that are being held by other processes

A process must hold at least one resource and not be waiting to acquire additional resources

None of the mentioned

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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