Operating System (OS)
The term "operating system" means

a set of programs which controls computer working
conversion of high level language into machine code
the way a computer operator works
None of these
the way a floppy disk drive operates

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Operating System (OS)
The function(s) of file system is (are):

to provide security against loss of information due to system failure
All of these
to provide complete file naming freedom to the users and to permit controlled sharing of files
None of these
to provide for long and short term storage of files with appropriate economic tradeoffs.

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Operating System (OS)
Assembler language

is quite different from the SCL interpreter
is a mnemonic form of machine language
is usually the primary user interface
requires fixed-format commands
None of these

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