Thrashing... | ExaMocks

MCQ

Thrashing

is a natural consequence of virtual memory systems

can always be avoided by swapping

always occurs on large computers

can be caused by poor paging algorithms

None of the above

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The dispatcher

actually schedules the tasks into the processor

puts tasks in I/O wait

is always small and simple

never changes task priorities

None of the above

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The total time to prepare a disk drive mechanism for a block of data to be read from it is

latency

latency plus transmission time

latency plus seek time

latency plus seek time plus transmission time

None of the above

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Data encryption

is mostly used by public networks

is mostly used by financial networks

cannot be used by private installations

is not necessary, since data cannot be intercepted

None of the above

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The function(s) of file system is (are):

to provide complete file naming freedom to the users and to permit controlled sharing of files

to provide for long and short term storage of files with appropriate economic tradeoffs.

to provide security against loss of information due to system failure

all of the above

None of the above

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Operating system

links a program with the subroutines it references

provides a layered, user-friendly interface

enables the programmer to draw a flowchart

all of the above

None of the above

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category More Computer Fundamentals Topics

Data Communication and Networking

Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

Computer Awareness

Files and its types

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