Assuming that the instructions are first fetched to the Instruction Register (IR), the memory operand is brought to the DR register and the result of an operation is stored in the Accumulator register; write and explain the sequence of micro-operations that are required to fetch and execute an addition instruction that adds the contents of the memory and register operands of the instruction. The result is stored in the accumulator register. Make and state suitable assumptions, if any.

Let's break down the sequence of micro-operations required to fetch and execute an addition instruction that adds the contents of the memory and register operands. We'll assume a simplified hypothetical computer architecture for this explanation.

Assumptions:

1. The computer has a simplified architecture with registers like Instruction Register (IR), Data Register (DR), and Accumulator Register (AC).
2. Memory addresses and data are 8 bits for simplicity.
3. The instruction format includes an opcode (indicating the operation) and an address for the memory operand.
4. Micro-operations include operations like Load (L), Add (A), Store (S), etc.

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