COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The role of the Memory Data Register is to____
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Hold the current instruction being executed
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Hold the address of the next instruction to be executed dividing it into an opcode/operand
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Hold the address of the memory location where data is fetched to be fetched from or written to
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Used to temporarily store data that is read from/written to memory
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Explanation:
Detailed explanation-1: -Accumulator (ACC) The ACC stores temporary data during the execution of instructions by the ALU. Although it is often shown as a single register, it is really a series of registers. It’s like the ‘memory’ buttons on a calculator.
Detailed explanation-2: -RAM. Random access memory (RAM) is the primary internal memory of the central processing unit (CPU). Your electronic device uses it for storing temporary data. It does this by providing applications with a place to store data you’re actively using so that it can quickly access the data.
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