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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
7777777777 [email protected]
C004 Sanjay 210, Suresh Manson, Indira
Bazar, Calcutta
6666666666 [email protected]
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.