Operating System (OS)
Which of the following statement is true.

None of these
All of these
Thrashing is a natural consequence of virtual memory systems.
The LRU algorithm pages out pages that have been used recently
Seek analysis is used for analysing control-unit busy problems.

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

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

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