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

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

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Operating System (OS)
You should choose sleep option when

You are leaving for a very short time and want to resume you work shortly
The computer is tired after working for the whole day
When computer gets hanged frequently. Let it sleep for some time
You finish working and going to bed

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Operating System (OS)
Indicate which, of the following, in not true about an interpreter

Interpreter analyses each source statement every time it is to be executed
All of these
Interpreter is a kind of translator
Interpreter generates an object program from the source program
None of these

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