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Local Applications - Module 2. Computer is a tool Familiar Microworlds Implications. Software Tools. Systems Software - looks inward Used to monitor and control system Operating Systems - WIN95, UNIX, VMS, SYSTEM 7 Application Software - looks outward
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Local Applications - Module 2 Computer is a tool Familiar Microworlds Implications
Software Tools • Systems Software - looks inward • Used to monitor and control system • Operating Systems - WIN95, UNIX, VMS, SYSTEM 7 • Application Software - looks outward • Productivity tools - horizontal pgms. for PC • Specialized tools - vertical programs
Familiar Microworlds Expand usefulness of original • Word Processor - Modeled on typewriter • cut - paste • find - replace • Spreadsheet - Modeled on ledger book • what if • absolute and relative reference • see it in action
More Microworlds • Graphics Processing • Lets Paint • Lets Draw • Data Base (Relational database)Student TableAdvisor TableJohn Fr A23 A23 Mary SHSue So A34 A34 Gary CBBen Sr A23Relationship modeled by common data.
Specialized tools • Mathematica • Medical Consultant • BMV driving records • Building design walk-through • DAPR • Drug order and interaction checker • Locate and order books over Web
Implications - What do you think? Will we change? Is it bad? • Calculator can’t do arithmetic • Word Processor can’t write nicely • Metal Pens can’t carve a quill pen Will we change? Is it good? • Census problems must enumerate • Typing a test I have to do it • Card catalogue Unlisted manuscript