Operating System (OS)
Process is

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

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

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

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