What is Computer Software?
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Transcript of What is Computer Software?
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What is Computer Software?
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Hardware vs Software
Got to have both to get the job done!
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How does Software Work?
Computer Algorithms Step by step
directions telling computer what to do
Software development First programmer –
Grace Hopper – created FLOW MATIC (later known as – COBOL) Programming language
that was close to English
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Applications Software
Programs designed to make users more productive
Assist with personal
tasks to make you more productive
Variety of uses: Business Graphics and
Multimedia Home/Personal/
Educational Communications
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Systems Software
Interface between the user, the application software, and the computer’s hardwareExamples:
Operating SystemsUtilities (diagnostics, servers)Language Translators
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Operating Systems
Helps user communicate with computerUses a desktop to provide on-screen
work area (graphical user interface)WindowsLinuxMac-OSDOSNetworking Operating System
Two or more computers to be connected
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Graphical User interfaces
Came about with menusGraphical user interface (GUI) Apple’s development of Macintosh
FinderPictures (icons) represent softwareColorfulReason for explosion of computer use
(after DOS scared people)
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Operating System (Windows, Vista, Windows 7)
Example of a Graphical User Interface
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Utility Software
Helps perform housekeeping choresTasks include:
Antivirus programsCopy file from hard drive to another locationConvert graphics file to be used in another
programBackup copy of hard drive (image, ghost)CD/DVD Burning
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Language Translators
Convert English code, to computer instructions
Helps computer process data
I don’t understand! I
need a translator.
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User Interfaces
What you see, touch, clickPart we interact with when using the
computer“User friendly”Command-line interface such as DOS
(not used frequently)Graphical interfaces such as Windows
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Command Line (DOS)
Early computers used only thisHave to memorize codesNot very user friendlyNot colorful – usually written in black and
whiteNo pictures
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DOS
Command line operating system
Memorize commands
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Assignment
Computer Specs That Matter