What Is Instruction Format ? | Addressing Mode, OPCODE , OPERAND Explained

What Is Instruction Format ?
Instruction Format Fields Addressing Mode, OPCODE , OPERAND Explained

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In computer architecture , the term instruction format is used in the context of computer program and how processor executes the program instructions.

The instruction format is defined as standard machine instruction format that can be directly decoded and executed by the Central processing unit CPU.
The instruction format, is simply a sequence of bits, contained in a machine instruction, that defines the layout of the instruction.

Each field of the machine instruction provides specific information to the CPU regarding the operation to be performed and the location of the data.
An instruction format is also defied as layout or pattern of bits in the machine instruction that directs the CPU to decode and execute the instruction.
In other words , the instruction format defines the layout of the bits for the instruction. The  instruction formats supported by the CPU depends upon the instruction set architecture ( ISA ) implemented by the processor.
In this tutorial , you will learn what is instruction format , how CPU decodes and execute the instruction , different types of instruction formats and other related important topics.

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