Operand and Opcode | Computer Science

The Opcode or the operation code is the part of the instruction that specifies the operation to be performed by the instruction. The CPU decodes (understands) the instruction with the help of the opcode. Copy the link given below and paste it in new browser window to get more information on Operand and Opcode:- http://www.transtutors.com/homework-help/computer-science/computer-architecture/operand-and-opcode.aspx

1. Operand and Opcode

2. Machine Code CPU understands 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

3. Mnemonic Code assembly language 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

4. Opcode also known as operation code part of the instruction that specifies the operation to be performed by the instruction n bit opcode is used to represent 2 n instructions

5. Operand part of the 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

6. Opcode and Operands

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