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

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

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Operating System (OS)
The main function of the dispatcher (the portion of the process scheduler) is

None of these
assigning ready process to the CPU
bring processes from the disk to the main memory
suspending some of the processes when the CPU load is high
swapping a process to the disk

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Operating System (OS)
Paging

allows multiple programs to reside in separate areas of core at the time.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
is a method of allocating processor time.
None of these

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