COMPUTER SCIENCE AND ENGINEERING
COMPUTER ORGANIZATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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MAR
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PC
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IR
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RO
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Detailed explanation-1: -Which registers can interact with the secondary storage? Explanation: MAR can interact with secondary storage in order to fetch data from it.
Detailed explanation-2: -Answers. Explanation: MAR can interact with secondary storage in order to fetch data from it.
Detailed explanation-3: -In a computer, the memory address register (MAR) is the CPU register that either stores the memory address from which data will be fetched to the CPU registers, or the address to which data will be sent and stored via system bus.
Detailed explanation-4: -Accumulator. It is an 8-bit register used to perform arithmetic, logical, I/O & LOAD/STORE operations. It is connected to internal data bus & ALU.
Detailed explanation-5: -Explanation: The MBR holds the contents of the accessed (read/written) memory word.