1. 1 Computer Software

2. The instructions that allow the user to communicate with the computer; also called programs  Three categories:  System software  Application software  Communications software 2

3. System software  Software responsible for the general operation of a computer system, including the operation of hardware, running application software, and file management 3

4. 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

5. System software - utility  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 5

6.  Word Processing  Spreadsheet  Presentation  Database  Desktop Publishing  Painting/Drawing  Digital Imaging  Web Design  Video/Audio Production  Gaming  Podcasting  Accounting 6 Application software Programs that allow the user to perform specific tasks; also known as productivity software

7. 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 7

8. 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 8

9. Presentation  An application software designed to create a visual display of information; can include text, graphics, audio and video  Microsoft PowerPoint, Apple Keynote, Prezi 9

10. Database  An application software designed to collect and organize data for easy retrieval and analysis  Microsoft Access, FileMaker Pro, Oracle 10

11. 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 11

12. 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  Web-based (Yahoo, Gmail, Live, Hotmail, etc.)  Email clients (Outlook, Groupwise, etc.) 12

13. File types  Every file saved on a computer will have an extension at the end of a file name—typically three characters.  The extension may indicate which application was used to create a document or what type of application is needed to open the document 13

14. File types - continued  Examples: .docxMicrosoft Word document .pptxMicrosoft PowerPoint presentation .xlsxMicrosoft Excel spreadsheet .txta plain text file (generic) .rtfrich text format (generic) .jpggraphic image .pdfrequires Adobe Reader 14

15. File types - continued  Examples: .mp3compressed audio file .wmvwindows media video file format .wmawindows media audio file format .htmhypertext markup file .movQuicktime movie .wpsMicrosoft Works word processing doc .zipcompressed file format 15