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COD12 COMPUTER LITERACY

COD12 COMPUTER LITERACY. Computer Software Word Processing. Tree Diagram. Software. System. Application. Operating System. Computer programs. General Purpose. Special Purpose. What is software?.

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COD12 COMPUTER LITERACY

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  1. COD12 COMPUTER LITERACY Computer Software Word Processing Lecture 2, Term 3 - 2007

  2. Tree Diagram Software System Application Operating System Computer programs General Purpose Special Purpose Lecture 2, Term 3 - 2007

  3. What is software? Software consists of computer programs and data files that work together to provide a computer with the instructions and data necessary for carrying out a task. Lecture 2, Term 3 - 2007

  4. Software Software is categorized as: • Application Software Is a set of one or more computer programs that help a person carry out a task. • System Software Is designed to help the computer carry out the basic operating functions. Lecture 2, Term 3 - 2007

  5. Application Software • Application software is used for a variety of reasons. • As a business tool. • To assist with graphics and multimedia projects. • To support home, personal and education activities. • To facilitate communication. Lecture 2, Term 3 - 2007

  6. Application Software • General-purpose program These programs are adaptable to a wide variety of tasks. Some general-purpose programs are: • Word Processors • Spreadsheet • Database Lecture 2, Term 3 - 2007

  7. Application Software • Special-purpose program These programs are developed in response to the specific needs of an individual. Some special-purpose programs are: • Keyboard Tutor Program (Educational) • Games (Entertainment) • Calculator (Utilities) Lecture 2, Term 3 - 2007

  8. System Software • Operating System A set of programs containing instructions that coordinate all the activities among computer hardware resources. • It runs application program. • It provides interface between user and the computer • It transfers data among input and output devices and memory. Lecture 2, Term 3 - 2007

  9. Operating System • Windows 95, 98, 2000, 2003 • Windows NT • Windows XP, ME • Mac OS • UNIX • Linux Lecture 2, Term 3 - 2007

  10. System Software • Computer Programs is a set of detailed, step-by-step instructions that tells a computer how to solve a problem or carry out a task. E.g. Turbo Pascal, C, C++, Java Script, Visual Basic, etc … Lecture 2, Term 3 - 2007

  11. User Interface Is a combination of hardware and software that help people and computers to communicate and control the computer. • Command User Interface: require user to type memorized commands to run programs and accomplish tasks. Lecture 2, Term 3 - 2007

  12. Lecture 2, Term 3 - 2007

  13. User Interface • Graphical User Interface (GUI) Provides a way to point and click a mouse to select menu options and manipulate graphical objects displayed on the screen. Lecture 2, Term 3 - 2007

  14. Lecture 2, Term 3 - 2007

  15. Lecture 2, Term 3 - 2007

  16. Word Processing • Word processor allows user to create and manipulate documents mostly containing texts and sometimes graphics. • It assists the user in producing documents, such as reports, letters, papers and manuscripts. Lecture 2, Term 3 - 2007

  17. Word Processing Features • Clip Art: a collection of drawings, diagrams, maps and photographs that you can insert in your document. • Wordwrap: allows the user to type words in a paragraph continually without pressing ENTER key at the end of each line. Lecture 2, Term 3 - 2007

  18. Word Processing Features • Scrolling: is the process of moving different portions of the document on the screen to view. • Search: allows you to locate all occurrences or a certain character, word or phase. Lecture 2, Term 3 - 2007

  19. Word Processing Features • Replace: in combination with the search feature allows you to substitute existing characters/words with new one. • Spelling checker: reviews the spelling of individual words, sections of a document or the entire document. Lecture 2, Term 3 - 2007

  20. Word Processing Features • Header: text that appears at the top of each page. • Footer: text that appears at the bottom of each page. • Page numbers • Date • Title Lecture 2, Term 3 - 2007

  21. Developing a document • To create a document is to enter text, numbers or graphics and perform other tasks using an input device. • To format a document is to change its appearance – the overall look. • Changing the font (Bold, Italic, Underline) • Font size • Font style Lecture 2, Term 3 - 2007

  22. Developing a document • To edit a document means to make changes to its existing content. • Inserting – adding text to a document • Deleting – removing text or other content • Cutting – removing a portion of the document and storing it in the clipboard • Copying - duplicate a portion of the document • Pasting – process of transferring an item from clipboard to a specific location in a document Lecture 2, Term 3 - 2007

  23. Title bar Menu bar Standard toolbar Formatting bar Vertical scroll bar Horizontal scroll bar Status bar Lecture 2, Term 3 - 2007

  24. THE END Lecture 2, Term 3 - 2007

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