Computer Organisation and Architecture - Vol 2 | 1. Flags and Conditional Instructions by Abraham | Learn Smarter
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Knowledge
1. Flags and Conditional Instructions

The chapter explores flags and conditional instructions within the context of computer architecture, focusing on how conditions influence instruction execution. It discusses the role of flags in decision-making and instruction branching, detailing the differences between conditional and unconditional instructions. Understanding these concepts is fundamental for controlling the flow of programs and implementing effective algorithms.

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Sections

  • 1.1

    Computer Organization And Architecture: A Pedagogical Aspect

    This section discusses the significance of flags and conditional instructions in computer architecture, emphasizing their role in influencing instruction execution flow and program control.

    Learning Practice

  • 1.1.1

    Flags And Conditional Instructions

    This section explores the importance of flags and conditional instructions in computer architecture, elucidating how they enable non-sequential instructions through conditions.

    Learning Practice

  • 1.2

    Unit Summary

    This unit focuses on understanding flags and conditional instructions in computer organization and architecture, emphasizing their role in non-sequential instruction execution.

    Learning Practice

  • 1.2.1

    Objectives Of The Unit

    This section outlines the key objectives of the unit focused on flags and conditional instructions in computer architecture.

    Learning Practice

  • 1.3

    Program Status Word (Psw)

    The section explores the Program Status Word (PSW), detailing its role in managing control flow and conditional instructions in computing.

    Learning Practice

  • 1.3.1

    Importance Of Psw In Jump Instructions

    The section explains the critical role of the Program Status Word (PSW) in jump instructions, highlighting its function in maintaining the context during procedure calls.

    Learning Practice

  • 1.3.2

    Components Of Psw

    This section explores the essential components of the Program Status Word (PSW) in relation to flags and conditional instructions in computer architecture.

    Learning Practice

  • 1.4

    Flags

    This section discusses flags in computer architecture, primarily focusing on conditional and unconditional instructions, and how flags impact program execution flow.

    Learning Practice

  • 1.4.1

    Types Of Flags In Cpu

    This section discusses the concept of flags in CPUs, focusing on their role in conditional instructions and the different types of flags utilized in processing operations.

    Learning Practice

  • 1.4.2

    Sign Flag

    This section discusses the significance of flags and conditional instructions in CPU operation, highlighting how conditions affect program flow.

    Learning Practice

  • 1.4.2.1

    Importance Of Sign Flag

    This section discusses the role of flags in conditional instructions and their importance in controlling the flow of program execution.

    Learning Practice

  • 1.4.3

    Carry Flag

    This section discusses the concept of flags and conditional instructions in CPU operations, emphasizing the critical role of flag registers in decision-making processes based on conditions.

    Learning Practice

  • 1.4.4

    Even Parity Flag

    The section discusses the Even Parity Flag, its purpose in indicating whether a binary number has an even count of '1's, and its relevance in conditional instructions during program execution.

    Learning Practice

  • 1.4.5

    Overflow Flag

    This section discusses the concept of overflow flags in CPU architecture and their role in conditional instructions.

    Learning Practice

References

ch13 part a.pdf

Class Notes

Memorization

What we have learnt

  • Conditional instructions ex...
  • There are two types of bran...
  • Flag registers play a cruci...

Final Test

Revision Tests