📘 COA

COMPUTER ORGANIZATION AND ARCHITECTURE

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COA Unit 1 Digital Computers

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COA Unit 2 Microprogrammed Control And CPU

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COA Unit 3 Data Representation And Computer Arithmetic

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COA Unit 4 Input-Output Organization And Memory Organization

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COA Unit 5 Reduced Instruction Set Computer, Pipeline, Vector Processing And Multi Processors

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COA Mid 1 Question and Answers

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COA Mid 2 Question and Answers

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COA Mid 2 Bits

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Syllabus Overview

UNIT - 1 Digital Computers, Register Transfer Language and Micro operations

Digital Computers

  • Introduction
  • Block diagram of Digital Computer
  • Definition of Computer Organization, Computer Design and Computer Architecture

Register Transfer Language and Micro operations

  • Register Transfer language
  • Register Transfer, Bus and memory transfers
  • Arithmetic Micro operations
  • Logic micro operations
  • Shift micro operations
  • Arithmetic logic shift unit

Basic Computer Organization and Design

  • Instruction codes
  • Computer Registers
  • Computer instructions
  • Timing and Control
  • Instruction cycle
  • Memory Reference Instructions
  • Input – Output and Interrupt

UNIT - 2 Microprogrammed Control and CPU

Microprogrammed Control

  • Control memory
  • Address sequencing
  • Micro program example
  • Design of control unit

Central Processing Unit

  • General Register Organization
  • Instruction Formats
  • Addressing modes
  • Data Transfer and Manipulation
  • Program Control

UNIT - 3 Data Representation and Computer Arithmetic

Data Representation

  • Data types
  • Complements
  • Fixed Point Representation
  • Floating Point Representation

Computer Arithmetic

  • Addition and subtraction
  • Multiplication Algorithms
  • Division Algorithms
  • Floating-point Arithmetic operations
  • Decimal Arithmetic unit
  • Decimal Arithmetic operations

UNIT - 4 Input-Output Organization and Memory Organization

Input-Output Organization

  • Input-Output Interface
  • Asynchronous data transfer
  • Modes of Transfer
  • Priority Interrupt
  • Direct memory Access

Memory Organization

  • Memory Hierarchy
  • Main Memory
  • Auxiliary memory
  • Associate Memory
  • Cache Memory

UNIT - 5 Reduced Instruction Set Computer, Pipeline, Vector Processing and Multi Processors

Reduced Instruction Set Computer

  • CISC Characteristics
  • RISC Characteristics

Pipeline and Vector Processing

  • Parallel Processing
  • Pipelining
  • Arithmetic Pipeline
  • Instruction Pipeline
  • RISC Pipeline
  • Vector Processing
  • Array Processor

Multi Processors

  • Characteristics of Multiprocessors
  • Interconnection Structures
  • Interprocessor arbitration
  • Interprocessor communication and synchronization
  • Cache Coherence
COMPUTER ORGANIZATION AND ARCHITECTURE Notes