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Operating System (OS)

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

Backup
Disk defragment
All of the listed here
Virus scanning

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Operating System (OS)
Unicode standard is

Font
Software
Character encoding system
Keyboard layout

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Operating System (OS)
Which policy replace a page if it is not in the favoured subset of a process's pages?

LRU
None of these
FIFO
LFU
Working set

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Operating System (OS)
When a peripheral device needs immediate attention from the operating system, it generates a(n)

Spool
Page file
Interrupt
Stack

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Operating System (OS)
Which of the following key is used to move the pointer from one pane to next pane?

F6
F3
F5
F4

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Operating System (OS)
Which is a permanent database in the general model of the compiler?

Literal Table
None of these
Source code
Identifier Table
Terminal Table

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