Operating System (OS)
Which of following is/are the advantage(s) of modular programming?

Easy debugging
None of these
Easy to compile
Modules can be reused in other programs
The program is much easier to change

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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
detects/corrects errors
inquires to see if a terminal has any transaction to send
None of these
decides correct alternative by analysing several ones

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Operating System (OS)
Thrashing

can be caused by poor paging algorithms
None of these
is a natural consequence of virtual memory systems
always occurs on large computers
can always be avoided by swapping

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