Operating System (OS)
Process is

a job in secondary memory
contents of main memory
program in High level language kept on disk
None of these
a program in execution

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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
decides correct alternative by analysing several ones
multiplexes the inputs and updates the memory accordingly
None of these

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