Operating System (OS)
Advantage(s) of using assembly language rather than machine language is (are):

None of these
Addresses any symbolic, not absolute
It is mnemonic and easy to read.
All of these
Introduction of data to program is easier

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Operating System (OS)
File record length

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

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