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Operating System (OS)

Operating System (OS)
A system program that sets up an executable program in main memory ready for execution is

linker
compiler
None of these
loader
assembler

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Operating System (OS)
In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?

None of these
index addressing
indirect addressing
auto decrement
auto increment

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Operating System (OS)
The SJF algorithm executes first the job

that has been in the queue the longest
that first entered the queue
None of these
that last entered the queue
with the least processor needs

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Operating System (OS)
A program in execution is called

A Demand Page
A Paging
A virtual memory
A Process

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Operating System (OS)
The part of machine level instruction, which tells the central processor what has to be done, is

None of these
Address
Operation code
Flip-Flop
Locator

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Operating System (OS)
Which of the following is true about pseudocode

A machine language
None of these
All of these
An assembly language
A high-level language

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