Operating System (OS)
Addressing structure

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

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

have both their operands in the main store.
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
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

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