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

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

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Operating System (OS)
File record length

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

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