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Operating System (OS)

Operating System (OS)
Dial up connection allows you to

All of above
Connect ISP
Internet
Server

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Operating System (OS)
When did IBM release the first version of disk operating system DOS version 1.0?

1983
1981
None of these
1982
1984

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Operating System (OS)
Taskbar is used for

Switching between program
Start a program
Navigation program
All of the listed here

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Operating System (OS)
The total time to prepare a disk drive mechanism for a block of data to be read from it is

None of these
latency plus seek time
latency plus transmission time
latency
latency plus seek time plus transmission time

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Operating System (OS)
How can you optimize performance of your computer?

All of above
Defrag disk
Delete unused files
Scan for virus

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Operating System (OS)
The operating system of a computer serves as a software interface between the user and

peripheral
None of these
memory
hardware
screen

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MORE MCQ ON Operating System (OS)

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