2. 1 UNIT 1: COMPUTER SOFTWARE Cite Examples of System Software

3. 1.1.1 Cite examples of system software2 Definition—System Software Any computer software which manages and controls computer hardware so that application software can perform a task

4. 1.1.1 Cite examples of system software3 Microsoft Windows 1 st introduced Nov. 1985 Is a GUI (graphical user interface) −Use a mouse to activate icons which represent files and programs 2004 statistics showed that Windows controlled 90% of market

5. 1.1.1 Cite examples of system software4 Microsoft Windows 3.0, 1990, 1 st to achieve commercial success 3.1, 1992, includes TrueType font system (a set of highly legible fonts already installed) and Minesweeper

6. 1.1.1 Cite examples of system software5 Microsoft Windows 95, 1995, within a year or two became most successful operating system; 1 st to have start button & taskbar 98 SE, 1999, succeeded 98 because riddled w/problems; improved USB; much faster Internet Explorer 5.0; plug- and-play capabilities

7. 1.1.1 Cite examples of system software6 Microsoft Windows XP, 2001, stands for eXPerience; faster start-up; updated GUI Vista, 2007, upgraded features, start menu w/search button to search for programs or put commands

8. 1.1.1 Cite examples of system software7 Mac OS 1 st introduced in 1984 A GUI Developed, marketed, sold by Apple Inc. Latest version preloaded on all Apple computers

9. 1.1.1 Cite examples of system software8 Mac OS Emphasis on “digital lifestyle” applications −iLife suite −Enhanced business applications (iWork) −Integrated home entertainment (Front Row media center)

10. 1.1.1 Cite examples of system software9 Mac OS Multitasking & Memory protection −Improved system’s ability to run multiple applications w/o them interrupting or damaging each other

11. 1.1.1 Cite examples of system software10 Linux Much of its basic design comes from principles established in Unix in the 70s and 80s Used mainly by scientists and programmers

12. UNIT 1 Cite Examples of Application Software

13. 1.2.1 Cite examples of application software Definition—Application Software Employs the capabilities of a computer directly and thoroughly to a task that the user wishes to perform

14. 1.2.1 Cite examples of application software Word processing A computer application used for the production (composition, editing, formatting, and printing) of any sort of printable material

15. 1.2.1 Cite examples of application software Spreadsheet A computer application that displays multiple cells that make up a grid of rows and columns −Each cell can contain alphanumeric or numeric values −Used for financial info because of ability to recalculate automatically after a change to a single cell

16. 1.2.1 Cite examples of application software Database Organizes the storage of data and enables a person or program to pull out desired information

17. 1.2.1 Cite examples of application software Presentation A computer software package used to display info, normally in form of a slide show Three major functions: 1.Editor—allows text to be inserted and formatted 2.Method of inserting/changing graphics 3.Slide-show system to display the content

18. 1.2.1 Cite examples of application software17 Media Player Describes computer software for playing back multimedia files Support an array of media formats, including both audio & video files

19. UNIT 1 Cite Examples of Utility Software Describe Various Types of Utility Software

20. 1.3.1 Cite examples of utility software 1.3.2 Describe various types of utility software Definition—Utility Software Specifically designed to help manage and tune the computer hardware, operating system or application software, and perform a single task or a small range of tasks

21. 1.3.1 Cite examples of utility software 1.3.2 Describe various types of utility software Disk Defragmenter Detects computer files whose contents have been stored on the hard disk in disjointed fragments Moves the fragments together to increase computer productivity

22. 1.3.1 Cite examples of utility software 1.3.2 Describe various types of utility software Disk Checker Scans the contents of a hard disk to find files or areas that are corrupted in some way or were not saved correctly Eliminates them to make hard drive operate better

23. 1.3.1 Cite examples of utility software 1.3.2 Describe various types of utility software Virus Scanners Scans for computer viruses among files and folders

24. 1.3.1 Cite examples of utility software 1.3.2 Describe various types of utility software Disk Cleaner Finds files that are unnecessary to computer operation or take up considerable amounts of space Helps the user to decide what to delete when their hard disk is full