Computer Organisation and Architecture - Vol 1 | 24. Lecture - 10 by Abraham | Learn Smarter
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24. Lecture - 10

The chapter delves into the concept of instruction formats within computer architecture, emphasizing the role of opcodes and operand references while introducing various types of instructions such as arithmetic, logical, and memory operations. It explores the construction and execution of instructions in different address modes, including single, two, three, and zero address instructions, and illustrates the trade-offs between instruction complexity and execution efficiency. The chapter ultimately aims to provide a comprehensive understanding of how instructions are formulated and executed within CPU architecture.

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Sections

  • 24.1

    Computer Organization And Architecture: A Pedagogical Aspect

    This section provides an overview of instruction formats in computer architecture, emphasizing the significance of opcode, operands, and the structure of instructions in a CPU.

  • 24.1.1

    Lecture - 10

    This lecture focuses on instruction format in computer architecture, detailing opcodes and operand referencing.

  • 24.1.2

    Instruction Format

    This section covers the concept of instruction format in computer architecture, focusing on the components and structure of instructions in a CPU.

  • 24.2

    Unit 4 - Instruction Format

    This unit explores the format of instructions within a CPU, emphasizing how instructions are structured, including opcodes and operands.

  • 24.2.1

    Unit Summary

    This unit focuses on the instruction format in computer architecture, highlighting the essential components and their roles in instruction execution.

  • 24.2.2

    Objectives

    The main goal of this unit is to understand instruction formats and elements essential for CPU functionality.

  • 24.2.3

    Generic Elements Of An Instruction And Its Format

    This section covers the essential components and structure of computer instructions, focusing on the opcode, operand references, and the implications of various instruction formats.

  • 24.3

    Basic Components Of An Instruction

    This section discusses the fundamental components of an instruction in the context of computer architecture, covering the opcode, operands, and instruction formats.

  • 24.3.1

    Opcode

    This section covers the basics of opcodes and the structure of machine instructions.

  • 24.3.2

    Source And Destination Operands

    This section introduces the concept of source and destination operands in computer instruction formats, emphasizing their roles in executing operations within a CPU.

  • 24.3.3

    Instruction Formats

    This section covers the various instruction formats used in CPU architecture, focusing on their structure, purpose, and the significance of each part.

  • 24.4

    Types Of Instructions

    This section explains the types of instructions in computer architecture, focusing on instruction formats and their significance in CPU operation.

  • 24.4.1

    Zero Address Instruction

    This section discusses the concept of zero address instructions in computer architecture, focusing on how operations are executed without explicit operand addresses.

  • 24.4.2

    One Address Instruction

    This section introduces the basic format of instructions in computer architecture focusing on the single address instruction, including its elements like opcode and operand references.

  • 24.4.3

    Two Address Instruction

    This section covers the format and significance of two-address instructions in computer architecture, detailing their components and examples.

  • 24.4.4

    Three Address Instruction

    The section discusses the format and significance of three-address instructions in CPU architecture, focusing on how they enhance the execution of operations.

Class Notes

Memorization

What we have learnt

  • Instructions consist of opc...
  • Different instruction forma...
  • The trend in modern archite...

Final Test

Revision Tests