Operating System (OS)
Interprocess communication

allows processes to synchronize activity
is never necessary,
is required for all processes
None of these
is usually done via disk drives

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Operating System (OS)
File record length

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

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Operating System (OS)
Which of the following statements is not true about the FORTRAN language?

None of these
FORTRAN is extensively used to write programs for performing scientific computations
All of these
FORTRAN is a high level language
A FORTRAN program, written for the IBM-PC, is totally different from a FORTRAN program written for execution on the SUN machine

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Operating System (OS)
Swapping

None of these
allows many programs to use memory simultaneously
allows each program in turn to use the memory
does not work with overlaying
works best with many small partitions

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