Operating System (OS)
Addressing modes

defines the fundamental method of determining effective operand addresses
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
All of these
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these

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

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, 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
have both their operands in the main store.

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

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

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