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An opcode is a single instruction in assembly language. An operand is the data it does something with.

For example, in "MOV r0, #0C", MOV is the opcode ("move this value into this register"), while r0 (register 0) and #0C (the number 12) are operands.

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11y ago

operand is simply the data

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Q: What do mean by operands in microprocessor?
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