Operating System (OS)
Round-robin scheduling

allows interactive tasks quicker access to the processor
is quite complex to implement
gives each task the same chance at the processor
None of these
allows processor-bound tasks more time in the processor

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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
inquires to see if a terminal has any transaction to send
multiplexes the inputs and updates the memory accordingly

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Operating System (OS)
The Register - to - Register (RR) instructions

have both their operands in the main store.
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these
which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also
All of these

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