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The Register - to - Register (RR) instructions | |
A. | have both their operands in the main store. [Correct Answer] |
B. | 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 written into the specified storage location. [Wrong Answer] |
C. | which perform indicated operations on two fast registers of the machine and leave the result in one of the registers. [Wrong Answer] |
D. | all of the above [Wrong Answer] |