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Opcode vs Operand - What's the difference?

opcode | operand |

As nouns the difference between opcode and operand

is that opcode is a mnemonic used to refer to a microprocessor instruction in assembly language while operand is a quantity to which an operator is applied (in 3 - x, the operands of the subtraction operator are 3 and x).

opcode

English

Noun

(en noun)
  • (computing) A mnemonic used to refer to a microprocessor instruction in assembly language.
  • * 1992 , Michael A. Miller, The 68000 Microprocessor Family: Architecture, Programming, and Applications (page 47)
    • When the microprocessor decodes the JSR opcode , it stores the operand into the TEMP register and pushes the current contents of the PC ($00 0128) onto the stack.

    Anagrams

    * cooped

    operand

    English

    Noun

    (en noun)
  • (mathematics, computing) A quantity to which an operator is applied (in 3 - x, the operands of the subtraction operator are 3 and x).
  • * 1992 , Michael A. Miller, The 68000 Microprocessor Family: Architecture, Programming, and Applications (page 47)
    • When the microprocessor decodes the JSR opcode, it stores the operand into the TEMP register and pushes the current contents of the PC ($00 0128) onto the stack.

    Anagrams

    *