Operating System (OS)
The computational technique used to compute the disk storage address of individual records is called:

dynamic reallocation
None of these
bubble memory
hashing
key fielding

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Operating System (OS)
A linker

creates a load module
None of these
must be run after the loader
is not needed with a good compiler
is not necessary with variable partitions

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Operating System (OS)
Feed back queue

dispatch tasks according to execution characteristics
are very easy to implement
are used to favor real-time tasks
require manual intervention to implement properly
None of these

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

All of these
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
None of these
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.

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