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What is Computer Software?

What is Computer Software?. Hardware vs Software. Got to have both to get the job done!. How does Software work?. Algorithms have to be written Algorithm turned into computer language Another specialized program turned this language into something the computer understands

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What is Computer Software?

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  1. What is Computer Software?

  2. Hardware vs Software Got to have both to get the job done!

  3. How does Software work? • Algorithms have to be written • Algorithm turned into computer language • Another specialized program turned this language into something the computer understands • Software development – multi-step process • First programmer – Grace Hooper – created FLOW MATIC (later known as – COBOL)

  4. Types of Software • Applications Software • Systems Software • Operating systems • Utilities • Language translators

  5. Applications Software

  6. Operating Systems • Interface between user and the computer • Many brands • Windows – designed for processor Intel • Macintosh computers use processor made by Motorola - OS

  7. Utility Software • Helps perform housekeeping chores • Tasks include: • Antivirus programs • Copy file from hard drive to another location • Convert graphics file so it can be used by another program • Backup copy of hard drive

  8. Language Translators • Converts code written in English to a language the computer can understand • Translator helps computer process data I don’t understand! I need a translator.

  9. Operating Systems • Mac OS • DOS • Windows • Unix – portable operating system (can run on just about any hardware platform) • Networking Operating System – group of two or more computers to be connected • Window NT • Novell’s Netware • IBM’s Warp Server

  10. User Interfaces • Determines how user friendly the computer is • Part we interact with when using the computer • Command-line interface such as DOS • Graphical interfaces such as Windows

  11. Command Line • Early computers used only this • Have to memorize codes • Not very user friendly • Not colorful – usually written in black and white • No pictures

  12. Graphical User interfaces • Came about with menus • Graphical user interface (GUI) • Came about with Apple’s development of Macintosh Finder • Pictures (icons) represent software • Colorful • Contributed to the explosion of computer use.

  13. Project • Research the three operating systems: • Mac OS v.? • Windows XP or Vista • Unix • Determine advantages and disadvantages of each, create a two page report on your findings. Which one do you think would be the best for someone to use in a home business.

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