© prentice hall 2002 1.1 chapter 2 application software

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© Prentice Hall 2002

CHAPTER 2CHAPTER 2

APPLICATION APPLICATION SOFTWARESOFTWARE

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APPLICATION SOFTWAREAPPLICATION SOFTWARE

• Definition: S/w that has been Definition: S/w that has been developed to solve a particular developed to solve a particular problem for users – to perform problem for users – to perform useful work on specific tasks or useful work on specific tasks or to provide entertainment.to provide entertainment.

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1.1. Commercial s/wCommercial s/w: S/W that is offered for : S/W that is offered for sale means when you want it, you must sale means when you want it, you must pay. This s/w is pay. This s/w is copyrightedcopyrighted: is the : is the exclusive legal right that prohibits exclusive legal right that prohibits copying of intellectual property without copying of intellectual property without the permission of the copyright holder.the permission of the copyright holder.

- Some manufacturers don’t sell their - Some manufacturers don’t sell their products but they sell us a license to products but they sell us a license to become an authorized user. become an authorized user. S/W licenseS/W license, , we sign in contract in which we agree we sign in contract in which we agree not to make copies of the s/w to give not to make copies of the s/w to give away or resell.away or resell.

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APPLICATION SOFTWARE: APPLICATION SOFTWARE: Sale, free or rent…Sale, free or rent…

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2. Public-domain s/w: is not protected by 2. Public-domain s/w: is not protected by copyright & thus may be duplicated by copyright & thus may be duplicated by anyone at will.anyone at will.

- It’s free & no copyright – but the users - It’s free & no copyright – but the users can contribute/donate to the creator as can contribute/donate to the creator as income for them.income for them.

3. Shareware: Copyright s/w that is 3. Shareware: Copyright s/w that is distributed free but requires that users distributed free but requires that users pay a registration fee to continue using pay a registration fee to continue using it. Normally, this s/w is provided it. Normally, this s/w is provided through the Internet.through the Internet.

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4. Freeware: Copyrighted s/w that is 4. Freeware: Copyrighted s/w that is distributed FOC. E.g. Netscape distributed FOC. E.g. Netscape Navigator. Why? Navigator. Why?

5. Rentalware: S/W that users lease for 5. Rentalware: S/W that users lease for a fee & download whenever they want a fee & download whenever they want it.it.

6. Pirated s/w: S/W obtained illegally.6. Pirated s/w: S/W obtained illegally.

7. Abandonware: S/W that is no longer 7. Abandonware: S/W that is no longer being sold or supported by its being sold or supported by its publisher.publisher.

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- Most commercial packages come - Most commercial packages come with:with:

1.1. Tutorial: It is an instruction book / Tutorial: It is an instruction book / program that helps you learn to use program that helps you learn to use the product by taking you through a the product by taking you through a prescribed series of steps.prescribed series of steps.

2.2. Documentation: All info. that Documentation: All info. that describes a product to user, describes a product to user, including a user guide/reference including a user guide/reference manual that provides a narrative & manual that provides a narrative & graphical description of a program.graphical description of a program.

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TUTORIALS & DOCUMENTATIONTUTORIALS & DOCUMENTATION

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Types of data files:Types of data files:1.1. Document files:Created by word Document files:Created by word

processing program & consist of processing program & consist of documents. E.g. reports, letters etc.documents. E.g. reports, letters etc.

2.2. Worksheet files: Created by electronic Worksheet files: Created by electronic spreadsheets & usually consist of spreadsheets & usually consist of collections of numerical data. e.g. collections of numerical data. e.g. budgets, sales forecasts and others.budgets, sales forecasts and others.

3.3. DB files: Created by DB mgt. programs DB files: Created by DB mgt. programs & consist of organized data that can & consist of organized data that can be analyzed & displayed in various be analyzed & displayed in various useful ways.useful ways.

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DATA FILESDATA FILES

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1.1. Entertainmnet s/w : Such as games etc.Entertainmnet s/w : Such as games etc.

2.2. Personal s/w : Such as cookbooks, Personal s/w : Such as cookbooks, gardening etc.gardening etc.

3.3. Education/Reference s/w: Such as Education/Reference s/w: Such as encyclopedias, phone books etc.encyclopedias, phone books etc.

4.4. Productivity s/w: Word processing, Productivity s/w: Word processing, spreadsheets, DB managers, web spreadsheets, DB managers, web browser, email etc.browser, email etc.

5.5. Specialty s/w:Presentation graphics, Specialty s/w:Presentation graphics, desktop publishing, web page desktop publishing, web page design,drawing & painting etc.design,drawing & painting etc.

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TYPES OF S/WTYPES OF S/W

© prentice hall 2002 1.1 chapter 2 application software

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