Question

11. Write down the steps involved to fetch a byte in 8085
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Answer 1

Answer:

Explanation:

Microprocessor definition:

A microprocessor is a type of computer processor where the logic and control for data processing are housed on a single integrated circuit or a few interconnected integrated circuits. The arithmetic, logic, and control circuitry needed to carry out the tasks of a computer's central processing unit are all included within the microprocessor.

Steps involved to fetch a byte in 8085:

1.​The $16$-bit memory address is placed on the address bus by the PC.

2.To enable the memory chip.

3.The control unit transmits the control signal RD. The memory location's byte is transferred to the data bus.

4.The byte is put into the microprocessor's instruction decoder, and the task is carried out in accordance with the instruction.

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