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COA.pptx
- 1. 1 NAME :Siddharth Tiwari COURSE : B.Tech CSE SUBJECT : Computer Architecture & Organisation SCHOOL : MSOET SUBJECT TEACHER : DR. KALYAN ACHARJYA
- 3. TOPICS • What isInstruction Set Architecture? • Components of ISA • Types of ISA (CISC and RISC) • ISA Characteristics • Importance of ISA • Conclusion 3
- 4. WHAT IS INSTRUCTIONSET ARCHITECTURE? •Instruction Set Architecture (ISA) defines the interface between hardware and software. •It specifies the instructions a computer can execute, including their format and operation. •ISA plays a vital role in the organization and design of computer systems. 4
- 5. COMPONENTS OF ISA ISAcomprises several essential components : • Registers •Arithmetic Logic Unit (ALU) •Control Unit •Memory •Input/Output (I/O) 5
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- 8. TYPES OF ISA ISAcan be broadly classified into two types: • Complex Instruction Set Computer (CISC) • Reduced Instruction Set Computer (RISC) Each type has distinct characteristics and design philosophies. 8
- 9. Characteristics of CISC CISC processors have: • A large and diverse instruction set • Complex instructions • Varying opcode • CISC offers ease of programming but can be less efficient. • Low speed • High power consumption • General purpose application 9
- 10. Characteristics of RISC RISC processors have: • A small and simple instruction set • Simple instructions • Emphasis on pipelining • Target based application • RISC excels in performance but may require more code. • Fixed opcode • High speed • Low power consumption 10
- 11. IMPORTANCE OF ISA ISA impacts: •Computer performance • Compiler design • Programmer productivity It influences how software interacts with hardware. 11
- 12. CONCLUSION •In conclusion, ISAis a critical concept in computer architecture. •It defines how software communicates with hardware. •Understanding ISA is essential for computer scientists, engineers, and programmers 12
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