Operating System (OS)
A program

is the device where information is stored
is typically characterized by interactive processing and time of the CPU
is a sequence of instructions
None of these
is a device that performs a sequence of operations specified by instructions in memory.

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Operating System (OS)
File record length

should always be fixed
None of these
Should always be variable
should be chosen to match the data characteristics
depends upon the size of the file

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Operating System (OS)
Thrashing can be avoided if

All of these
the speed of I/O processor is increased
the pages, belonging to the working set of the programs, are in main memory
the speed of CPU is increased
None of these

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Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

Fewer people, less management and shorter transition in learning time
None of these
All of these
Improved debugging capability, and superior documentation
A greater degree of machine independence

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