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Operating System (OS)

Operating System (OS)
Which one is not a system tool?

Virus scanning
All of the listed here
Disk defragment
Backup

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Operating System (OS)
The ___ displays the name of every computer user on the computer

Welcome screen
None of the listed here
Wish list screen
Command screen

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Operating System (OS)
Block caches or buffer caches are used

None of these
to speed up main memory read operation
to improve disk performance
to handle interrupts
to increase the capacity of the main memory

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Operating System (OS)
If you do not know which version of MS-DOS you are working with, which command will you use after having booted your operating system?

FORMAT command
DIR command
VER command
None of these
DISK command

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Operating System (OS)
Scandisk analyze and repair damage to which of the following?

All of these
Physical clusters
Lost clusters
FAT

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Operating System (OS)
A ___ is a set of computer instructions that carry out a task on the computer

Database
Program
Memory files
None of the listed here

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