Transcript
05/02/2023 Computer Concepts 1
Computer Concepts
Application Software
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Application SoftwareLearning Objectives• Define Application Software• Identify its common features• Describe (office) productivity software tools• Explain software release and installation• Software compatibility, copy wright and
license issues
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Software Layers
User
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Software Types• Application Software– The software developed to perform the many
tasks to which the computer is applied– Many types.. For work, study & play
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Group problem solving• What are the sources of application software
for an organization?• Compare the relative merits of each
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Application SoftwareSources•Custom written software
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Application SoftwareSources• Custom written software• In house
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Application Software• Sources:– Custom written software– In house– Packaged (off-the shelf)
• Comparisons
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Application SoftwareBasic Features• GUI (Windows-based)• Dialog boxes/Windows• Menus/Toolbars– Menu bar– Pull-down menu– Help menu
• Mouse cursor • Scrolling
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Application SoftwareBasic Features (cont.)• Special-purpose & function keys• Macros• Tutorials• Wizards• Documentation
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Application SoftwareMajor Types:
• Business Applications– Office productivity– General purposes– Industry specific– Special purpose
• Education• Recreation
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Software DevelopmentFlow Charting
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Software Development
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Software Development• Structure Charts
• Pseucode
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Software DevelopmentStructure Chart
Sales
Input data Calculated Gross sales
Calculated Discounts Out Put
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Software DevelopmentStructure chart
Thumbnail
Process
FormattingInput
Output
Problem
Definition
Off-page Connector
Out put
Decision
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PseudcodeSales problem1. Input Item, Price, Qty2. GrSales=price*Qty3. If Qty>50
Then disc = GrSales*1Else Disc = 0
4. Net sales = GrSales – disc5. Output Item, Netsales
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Software Development
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Programming Languages
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Programming Languages
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