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MCQ

A system is in a safe state only if there exists a ____________

safe allocation

safe resource

safe sequence

all of the mentioned

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MCQ

For non sharable resources like a printer, mutual exclusion ____________

must exist

must not exist

may exist

none of the mentioned

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MCQ

The shrinking phase is a phase in which?

A transaction may obtain locks, but does not release any

A transaction may obtain locks, and releases a few or all of them

A transaction may release locks, but does not obtain any new locks

A transaction may release locks, and does obtain new locks

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MCQ

Given a priori information about the ________ number of resources of each type that maybe requested for each process, it is possible to construct an algorithm that ensures that the system will never enter a deadlock state.

minimum

average

maximum

approximate

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MCQ

What are the two atomic operations permissible on semaphores?

wait

stop

hold

none of the mentioned

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

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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

Report Error

Community Discussion

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Report Error

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