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Operating System (OS)

Operating System (OS)
Who is called a supervisor of computer activity ?

I / O Devices
Operating system
Memory
Control unit

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Operating System (OS)
What is the name given to the software which can be legally compiled and often used for free?

Firmware program
Shareware program
Mindware
None of these
Public domain program

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Operating System (OS)
Block or buffer caches are used

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

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Operating System (OS)
Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears?

indirect
sorting
index
None of these
ascending

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Operating System (OS)
What scheduling algorithm allows processes that are logical runnable to be temporarily suspended?

FCFS
preemptive scheduling
non-preemptive scheduling
FIFO
None of these

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Operating System (OS)
Which, of the following is not true about the description of a decision table?

A decision table is easy to modify
A decision table is directly understood by the computer
None of these
A decision table is easy to understand
All of these

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