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Operating System (OS)

Operating System (OS)
Which of the following is not an operating system ?

Oracle
Windows
DOS
Linux

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Operating System (OS)
Which of the following is not true about the memory management?

virtual memory is used only in multi-user systems
None of these
segmentation suffers from external fragmentation
segmented memory can be paged
paging suffers from internal fragmentation

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Operating System (OS)
Software that measures, monitors, analyzes, and controls real-world events is called:

system software
business software
None of these
scientific software
real-time software

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Operating System (OS)
If you want to execute more than one program at a time, the systems software you are using must be capable of:

virtual memory
multitasking
compiling
None of these
word processing

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Operating System (OS)
The problem of thrashing is affected significantly by:

None of these
All of these
program size
primary-storage size
program structure

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Operating System (OS)
Poor response time are usually caused by

Any of the listed here
Process busy
High paging rate
High I / I rates

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