Operating System (OS)
The Storage-to-Storage instructions

have both their operands in the main store.
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, expect in the case of store operation when it is also
which perform indicated operations on two fast registers of the machine and have the result in one of the registers
All of these
None of these

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Operating System (OS)
The LRU algorithm

pages out pages that have been used recently
pages out pages that have not been used recently
None of these
pages out pages that have been least used recently
pages out the first page in a given area

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Operating System (OS)
Fork is

the creation of a new process
the creation of a new job
increasing the priority of a task
the dispatching of a task
None of these

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