Operating System (OS)
Round-robin scheduling

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

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Operating System (OS)
A spooler is a

Message sent from the printer to the operating system when a print job is completed
Program that coordinates the print job that are waiting to process
Location in memory that maintains the contents of documents until it prints
Queue of print job that are waiting to print

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

None of these
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
have both their operands in the main store.
All 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

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