Operating System (OS)
Swapping

works best with many small partitions
None of these
does not work with overlaying
allows each program in turn to use the memory
allows many programs to use memory simultaneously

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

have both their operands in the main store.
which perform indicated operations on two fast registers of the machine and leave 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, except in the case of store operation when it is also

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