Operating System (OS)
In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.

index mode
modulus mode
None of these
absolute mode
immediate mode

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Operating System (OS)
Addressing structure

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

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