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Index

Introduction

Elements

Types of System Software

Uses of Computer

Characteristics of Computer

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Introduction

In simple terms, computer is an electronic

device that can manipulate data. Computers are machines that perform tasks

or calculations according to a set ofinstructions, or programs.

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ComputingProcess Elements

Computers consists of the following:-

Hardware Software

Data

People

Procedure

Data

Procedure

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Hardware

The terms hardware refers to the physical part of thecomputer system. It is versatile in nature but it depends onthe Computer Program.

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Software

Software is the set of instructions that guides thehardware what to do. Software can be categorized intothe following types:-

System SoftwareApplication Software

Utilities

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Data

Data is the raw material related with entities and events

and their recording as facts and figures. Data is the inputto the processing.

Customer

Code

Customer Name Address Contact E-mail

C001 Parag 101, Housing Board Colony,

Shastri Nagar, N. Delhi

999999999 [email protected]

C002 Vinod 150, Shanti Nagar, Hyderabad 888888888 [email protected]

C003 Vishal 110, Prakash Building, Road

No. 10, Indore


C004 Sanjay 210, Suresh Manson, Indira

Bazar, Calcutta


C005 Abhishek 333, C-Scheme, Jaipur 5555555555 [email protected]

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People

Most computers require people, who are called users.This people apply their Professional training to improvethe performance, case of use andEfficiency of computer systems.

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Procedure

Procedures are the steps that one must follow toaccomplish a specific computer related task.

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System software

System software is anycomputer software that

provides theinfrastructure over whichprograms can operate, i.e.it manages and Controlscomputer hardware sothat application softwarecan perform.

Application software

Application software isa computer program

that functions and isoperated by means of acomputer, with thepurpose of supportingor improving thesoftware user's work.

Types of Application

Software: Customized Software

Generalized Software

ProgrammingLanguage

Software Programsmust be written in

Programing Languages.Programmers i.e.people trained in theuse of a programmingLanguage, writeprograms.

It is an artificiallanguage designed to

express computationsthat can be performedby a machine,particularly acomputer.

Types of Software

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Characteristics of Computers

Computers are fast and can perform hundreds of millions

of processing operations in one second.Computers are accurate.

Computers can perform very complex operations.

Computers can store massive amount of information.

Computers can move information very quickly from one placeto another.

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Uses of ComputerPlaying computer games

For creating documents, spreadsheets, databases, presentations.

Solving mathematics

Looking for information on the Internet

Watching TV and movies

Listening to music

Communicating with other people

For weather forecasting

Computers are used in banks, hospitals, military activities, etc.

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