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MCQ

What is a reusable resource?

that can be used by one process at a time and is not depleted by that use

that can be used by more than one process at a time

that can be shared between various threads

none 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

Discussion

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

Deadlock prevention is a set of methods ____________

to ensure that at least one of the necessary conditions cannot hold

to ensure that all of the necessary conditions do not hold

to decide if the requested resources for a process have to be given or not

to recover from a deadlock

Discussion

MCQ

If we preempt a resource from a process, the process cannot continue with its normal execution and it must be ____________

aborted

rolled back

terminated

queued

Discussion

MCQ

For non sharable resources like a printer, mutual exclusion ____________

must exist

must not exist

may exist

none of the mentioned

Discussion

Banking

Engineering

General

Medical

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Introduction to Operating System

Types

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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

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