Software

627 views

Published on

A brief explanation of different categories of software (system software and application software).

Published in: Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
627
On SlideShare
0
From Embeds
0
Number of Embeds
5
Actions
Shares
0
Downloads
48
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Software

  1. 1. Software
  2. 2. Software System Software Application Software
  3. 3. System Software Operating Systems Utilities CLI Command Line Interface Drivers Assistants GUI Graphical User Interface NLI Natural Language Interface
  4. 4. Command Line Interfaces <ul><li>User types in commands to run programs, explore directories, get help etc… </li></ul><ul><li>Requires some knowledge of command syntax </li></ul><ul><li>Examples: DOS, UNIX </li></ul>Back to System Software
  5. 5. Graphical User Interfaces <ul><li>Easy to use interfaces </li></ul><ul><li>WIMP – Windows, Icons, Mouse, Pull-down menus / Window, Icons, Menus, Pointers </li></ul><ul><li>Examples: MS Windows XP, MS Windows Vista </li></ul>Back to System Software
  6. 6. Functions of System Software <ul><li>Allows the use of other hardware (peripherals). </li></ul><ul><li>Provides an interface. </li></ul><ul><li>Controls data and its access (records file information). </li></ul><ul><li>Records computer use. </li></ul><ul><li>Manages resources. </li></ul><ul><li>Security. </li></ul>
  7. 7. Utility Software <ul><li>A supply of pre-written programs for performing frequently needed tasks. </li></ul><ul><li>Used to manage & modify what the computer does at the user’s control. </li></ul><ul><li>Examples: </li></ul><ul><li>Drivers – control operation of peripherals. </li></ul><ul><li>Disk doctor programs – restore data on damaged disks. </li></ul><ul><li>Anti-virus programs </li></ul><ul><li>Back-up utilities </li></ul>
  8. 8. Application Software Off-the-Shelf Customised
  9. 9. Off-the-Shelf Software <ul><li>Software designed with a particular function in relation to data. </li></ul><ul><li>Associated file types represented by file extensions. </li></ul><ul><li>Integrated programs allow for data sharing (e.g.: Office suite) </li></ul>
  10. 10. Examples of File Extensions .fla, .swf Adobe Flash .mp3 Audio .pdf Adobe Writer .txt Notepad / text editors .html Web pages .bmp, .jpg, .gif Graphics software .mdb MS Access .ppt MS PowerPoint .xls MS Excel .doc, .docx MS Word

×