Operating System (OS)
The function(s) of the Syntax phase is(are)

to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs.
to parse the source program into the basic elements or tokens of the language.
None of these
to build a uniform symbol table
to build a literal table and an identifier table

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Operating System (OS)
A public key encryption system

None of these
does not encode the data before transmitting it
allows anyone to decode the transmission
allows only the correct sender to decode the data
allows only the correct receiver to decode the data

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

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

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