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MCQ

Which of the following conditions must be satisfied to solve the critical section problem?

Mutual Exclusion

Progress

Bounded Waiting

All of the mentioned

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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

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MCQ

At a particular time of computation the value of a counting semaphore is 7.Then 20 P operations and 15 V operations were completed on this semaphore. The resulting value of the semaphore is? (GATE 1987)

Discussion

MCQ

What will happen if a non-recursive mutex is locked more than once?

Starvation

Deadlock

Aging

Signaling

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

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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Medical

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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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