Friday 12 June 2015

what is software? describe the main categories / types of software.

SOFTWARE
a set of instruction given to the computer to solve a particular problem ( or to perform a specific task), is called software. Software is also called computer program.  

Software tells to the computer what to do and how to do. therefore, a computer preform different operation according to the given instruction. Software is developed in computer programming language.
note:best example of software in real life is human soul whereas body is example of hardware.
Types of software
1-   System software 
A program or set of programs that is especially designed to control different operations of computer system is called system software. it control the working of different components of the computer. the system software also enables the other application programs to execute properly.
the examples of system software are:
operating systems.
Utility programs.
Device Drivers.
Language Processors.
Application software
A program or set of programs that are especially designed to solve the specific problems of user, are called application software.it is also known as software package for application package.
Application software is normally available as a package. it consists of the following:
the software supplied on CD-ROM or Floppy disk.
A manual that explains how to use the software.
Training material supplied on CD-ROM or in a booklet.
Categories of Application software
the application software is divided into two main categories:
1-   Custom-built software
2-    Packaged software
1-     Custom-built software
the software that is developed for a particular customer or organization is called custom-built software.it is also known as customized software. for example, software developed to maintain the the records of students of a particular college is an example of custom-built software.
2-    Packaged software
the software that is developed for sale to the general public is called packaged software. packaged software is used to solve some common problem of many people or users.

best example of packaged software is MS-Office that consists of following software's/applications:
word processing software such as MS-Word
Spreadsheet software such as MS-Excel
Outlook for sending and receiving emails
PowerPoint for making presentations.

what is software? describe the main categories / types of software. Rating: 4.5 Diposkan Oleh: All apk power

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