Operating System (OS)
In which of the storage placement strategies a program is placed in the largest available hole in the main memory?

best fit
worst fit
buddy
first fit
None of these

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Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

the number of control lines is independent of the number of devices on the chain
it is relatively easy to add more devices to the chain
the failure of one device may affect other devices on the chain
None of these
priority is programmable

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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
inquires to see if a terminal has any transaction to send
detects/corrects errors

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