Operating System (OS)
In MS-DOS, relocatable object files and load modules have extensions

.DAS and .EXE, respectively
None of these
.COM and .OBJ, respectively
.OBJ and .COM or .EXE, respectively
.EXE and .OBJ, respectively

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Operating System (OS)
Scheduling is

unrelated to performance consideration
None of these
not required in uniprocessor systems
the same regard-less of the purpose of the system
allowing jobs to use the processor

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Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

it is necessary to retranslate the user's program deck every time it is run.
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
None of these
All of these
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.

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

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

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