Explain the significance of instruction set

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Explain the significance of instruction set

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  •  Instruction set commonly known as ISA( instruction set architecture)  part of the processor  that the  can understand.The instruction set provides commands to the processor, to tell it what it needs to do with particular tak.
  • In simple words,  ISA is responsible for defining the set of instructions to be supported by the processor.
  • The instruction set consists of a limited set of unique codes that let the processor know what to do next, along with some basic rules of how to express them.
  •  It is only concerned with the set or collection of basic operations the computer must support.
  • The instruction set consists of addressing modes, instructions, native data types, registers, memory architecture, interrupt, and exception handling, and external I/O  etc.. 
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