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Computer

Computer. Software. Software. Computers require software to function. Software is the instructions that allow users to communicate with the computer; also called programs. Three categories: Operating system software Application (productivity) software Communications software.

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Computer

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  1. Computer Software

  2. Software Computers require software to function. Software is the instructions that allow users to communicate with the computer; also called programs. • Three categories: • Operating system software • Application (productivity) software • Communications software

  3. Operating system software • Operating system (OS)--system software that acts as a "go-between", allowing computer hardware and other software to communicate with each other • Microsoft Windows • Mac OS • Linux • One component of an OS is file management: the ability to create, edit, view, print, rename, copy or delete files and folders

  4. Platform • The hardware and the operating system together are referred to as a platform. • Windows platform • Mac platform • Dual-platform: the ability to run more than one operating system.

  5. Basic functions of an OS

  6. Definitions • Authentication: the process of validating a user’s logon information • Authorization: associating specific permissions to a username

  7. Utility software • Utility software is a type of system software that runs system checks and makes sure everything is working properly; • One type of utility software is anti-virus software, which checks for viruses (programs designed to disrupt or destroy the normal operation of a computer • McAfee, Norton, Avast, AVG

  8. Application software Programs that allow the user to perform specific tasks; also known as productivity software • Word Processing • Spreadsheet • Presentation • Database • Desktop Publishing • Painting/Drawing • Digital Imaging • Web Design • Video/Audio Production • Gaming • Podcasting • Accounting

  9. Word Processing • A software application that is designed to create, edit, format, print and save text-based documents, such as letters, reports, and memos • Microsoft Word, Apple Pages

  10. Spreadsheet • A software application that stores data in a grid of horizontal rows and vertical columns. The software is designed to analyze data using formulas and calculations. • Microsoft Excel, Apple Numbers

  11. Presentation • An application software designed to create a visual display of information; can include text, graphics, audio and video • Microsoft PowerPoint, Apple Keynote, Prezi

  12. Database • An application software designed to collect and organize data for easy retrieval and analysis • Microsoft Access, FileMaker Pro, Oracle

  13. Desktop Publishing • An application software that is designed to combine text and graphics to create professional print-ready publications • Adobe InDesign, Corel Draw, Microsoft Publisher

  14. Communication software • Programs that make it possible for a computer to transmit and receive information to and from other computers. • Web Browsers • Internet Explorer, Firefox, Safari, Google Chrome • Email • Yahoo, Gmail, Live, Hotmail, Outlook, etc.

  15. File formats • Every file saved on a computer will have an extension at the end of a file name known as the file format—typically three characters. • The extension defines how the data is stored in the file. It may indicate which application was used to create a document or what type of application is needed to open the document

  16. File types - continued • Examples: • .docx Microsoft Word document • .pptx Microsoft PowerPoint presentation • .xlsx Microsoft Excel spreadsheet • .txt a plain text file (generic) • .rtf rich text format (generic) • .jpg graphic image • .pdf requires Adobe Reader

  17. File types - continued • .mp3 compressed audio file • .wmv windows media video file format • .wma windows media audio file format • .htm hypertext markup file • .mov Quicktime movie • .wps Microsoft Works word processing doc • .zip compressed file format • .exe executable file

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