www.thirdwave-websites.com/ci310

CI-310 : Sept 27, 2000

• Follow up on Web101
• Collect Assignment Three
• Return Quiz One-Two

Chapter 5: The Role of Software

Systems Software

• Operating Systems: allocating system resources, scheduling work, monitoring activities
• Multiprogramming: execute multiple programs on 1 computer
• Multitasking: multiprogramming on PCs
• Virtual Storage (fixed-memory length sharing)
• Time Sharing (fixed-time length sharing)
• Multiprocessing
• Language Translations (not Babelfish.com) and Utilities
  • source code
  • compiler
  • object code
  • another option: an interpreter
  • utility programs (ie, delete )
  • GUI: graphical user interface

PC Operating Systems, p.148

Table 5-1:
• Windows ME, Wn98, Win95
  • win3.11 , 3.1, 3.0
  • WinCE
  • ?? does Win98 close integration of IE blur the OS/App boundary?
• Win2000 (NT x.0)
• OS/2 IBM
• Unix
• Linux near-Unix for the common man. Price: Free
• DOS
• Mac OS

Application Software

Programming Languages

• Machine Languages (1GL)
• Assembler Languages (2GL)
• Fortran, COBOL, Basic, QBasic, C, C++ (3GL)
• Frontpage, Director, VisBasic? (4GL)

Admiral Grace Hopper

• Navy's first female admiral
• the term "bugs"
• Univac
• Microsoft Women's Network: Hoppers
• Topic: Who Are the Women of Computing? Ada Babbage, Grace Hopper, Kim Polese (Firefly), Pattie Maes (MIT). Any nominations?

PC Software Tools

• Word Processing (WordPerfect)
• Spreadsheets (Lotus, Excel)
• Data Management Software (Access)
• Presentation Graphics (PowerPoint)
• Suites: Office
• Email (Outlook, Eudora)
• Browsers
• Groupware

Object-Oriented Programming

• visual programming (see Visual Basic)
• Classes (also superclasses and subclasses)
• Inheritance
• Java
  • WORA
  • DUKW, Corvettes
  • small footprint
  • platform independent
  • may not scale up well
  • an impure open standard
• Jini

HTML, XML

• derivatives of SGML, Specialized General Markup Language.
• HTML describes web page content, but not really web page format
• CSS brings presentation format back into web pages
• DHTML lets you develop more interactive web pages through Javascript and CSS
• XML is a further development of HTML
  • XML puts label-wrappers around data
  • XML makes content machine-understandable but only
    to machines that have been programmed to understand
  • XML success is dependent on acceptance of dictionaries
  • industry acceptance of dictionaries is problematic
  • Instructor Opinion: this is the most recent NextBestThing. Standby for downsizing of expectations accompanied by some actual benefits.

Business Management of Software

• rent the software you want per use
• ASP maintains the software
• ASP pays for the license

ERP: Enterprise Resource Planning Software p.168
Permits company to manage all assets through the IS

Selecting Software

• Appropriateness
• Efficiency
• Compatibility
• Support
• "Organizational needs should drive software selection".

To Do For Next Class, 10/04/00

• Read Chapter 6.
• Prepare for Quiz Quiz Three(5%). (Same format, different length as previous)
• Personal Project Definitions Due (on paper, typed, cover sheet. Tell me what you're going to do your personal project on- if it's the website, tell me what the sub-pages are likely to be.)

Something To Expect for Next Class: I'll post several group projects. Students may choose their own projects and identify their own groups. Groups may also propose alternative projects.