Computer Software

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A general introduction to what software is about for students at the HS level.

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Computer Software

  1. 1. Computer Software Rita Ester
  2. 2. What is a Computer ? <ul><li>Electronic device </li></ul><ul><li>Executes the instructions of a computer program stored in it‘s own memory </li></ul>
  3. 3. Computer Program <ul><li>Tells your computer what to do </li></ul><ul><li>stored as a file in bits and bytes, </li></ul><ul><li>Software = Computer Programs </li></ul>
  4. 4. Software <ul><li>System Software </li></ul><ul><li>Application Software </li></ul>COMPUTER HARDWARE OPERATING SYSTEM APPLICATION SOFTWARE
  5. 5. System Software <ul><li>Programs that </li></ul><ul><ul><li>helps managing the computer system, </li></ul></ul><ul><ul><li>helps maintaining the computer system, </li></ul></ul><ul><li>Examples: Operating System, Disk Defragmenter, Disk Cleanup . </li></ul>
  6. 6. Operating System <ul><li>Program that </li></ul><ul><ul><li>allows the user to communicate with the computer, </li></ul></ul><ul><ul><li>manages input and output devices of a computer system </li></ul></ul><ul><ul><li>manages all programs in a computer, </li></ul></ul><ul><ul><li>… </li></ul></ul><ul><li>Examples: Windows XP, Linux. </li></ul>
  7. 7. Application Software <ul><li>Program for a specific task like </li></ul><ul><ul><li>Text processing, </li></ul></ul><ul><ul><li>E-Mail, </li></ul></ul><ul><ul><li>Games </li></ul></ul><ul><li>Example: MS Word. </li></ul>

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