Operating System (OS)
Which of the following can be accesses by transfer vector approach of linking?

Data located in other procedures
All of these
External subroutines
None of these
External data segments

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

to parse the source program into the basic elements or tokens of the language.
to build a literal table and an identifier table
to build a uniform symbol table
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.
None of these

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Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

detects/corrects errors
inquires to see if a terminal has any transaction to send
multiplexes the inputs and updates the memory accordingly
None of these
decides correct alternative by analysing several ones

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