Operand and Opcode | Computer Science

Operand and Opcode | Computer Science

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  Operand and Opcode
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  Machine Code  CPUunderstands only the binary language  the machine code is the binary format of an instruction to be executed by the CPU  Has two parts: operand and opcode
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  Mnemonic Code  assemblylanguage uses symbolic codes instead of binary or to represent the opcodes known as mnemonic codes  mnemonic code is the symbolic representation of the operation code  converted into machine code by the assembler
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  Opcode  also knownas operation code  part of the instruction that specifies the operation to be performed by the instruction  n bit opcode is used to represent 2n instructions
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  Operand  part ofthe instruction that specifies the data or the memory location of the data on which the operation will be performed  Types:  Immediate  Register  Memory address  Implied
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  Opcode and Operands
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