Question Discussion & Solution

MCQ

A deadlock eventually cripples system throughput and will cause the CPU utilization to ______

increase

drop

stay still

none of the mentioned

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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

An actual update is not allowed to a data item ____________

before the corresponding log record is written out to stable storage

after the corresponding log record is written out to stable storage

until the whole log record has been checked for inconsistencies

all of the mentioned

Discussion

MCQ

To ensure no preemption, if a process is holding some resources and requests another resource that cannot be immediately allocated to it ____________

then the process waits for the resources be allocated to it

the process keeps sending requests until the resource is allocated to it

the process resumes execution without the resource being allocated to it

then all resources currently being held are preempted

Discussion

MCQ

Mutual exclusion can be provided by the __________

mutex locks

binary semaphores

both a and b

none of the mentioned

Discussion

MCQ

Which one of the following is the deadlock avoidance algorithm?

banker's algorithm

round-robin algorithm

elevator algorithm

karn's algorithm

Discussion

Banking

Engineering

General

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

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