Computer Hardware and Software - R.D.Sivakumar

1. R.D.SIVAKUMAR,M.Sc.,M.Phil.,M.Tech.,
Assistant Professor of Computer Science&
Assistant Professor and Head, Department of M.Com.(CA),
AyyaNadar Janaki AmmalCollege,
Sivakasi – 626124.
Mobile: 099440-42243
e-mail : sivamsccsit@gmail.com
website: www.rdsivakumar.blogspot.in
COMPUTERHARDWARE AND SOFTWARE

2. COMPUTERHARDWARE
ENIAC
Computer Hardware is a Physical parts of the computer.
Input devices
• Enter the Program & data.
• Send it to Processing Unit.
Processor (CPU)
• Manipulates Input data.
• Executes Computer
Instructions.
Output devices
• Processed Data.
• Result of Processing.
Main Memory
• Fetches the
Information
Secondary
Storage
• Permanently
stored data
and programs.
COMPUTERHARDWARE AND SOFTWARE
INTRODUCTION

3. COMPUTER SOFTWARE
ENIAC
Computer Software is a step-by-step Instruction to solve a problem.
Computer Software
(set of Instruction)
System Software
• It is a General Program.
• It Provide environment to
run the application
program.
• Ex. Operating system.
• OS manage the overall
operations of a computer.
Application Software
• Programs designed to solve a
user problem.
• It accomplish specific task.
• It controlled by system
software.
• It manages hardware
devices.
SOFTWARE CATEGORIES
Hardware
SYSTEM SOFTWARE

4. COMPILER
ENIAC
The Compiler software translates the source program into an object program .