Desktop Environment and File Management Walkthrough Using Microsoft Windows 98NT

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Windows 1the Desktop environment
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101 Practical Lists

• http//www.scifac.ru.ac.za/pracs/
• http//www.scifac.ru.ac.za/pracs/PRNAMES.HTM

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Downloading Problems

• The files are now also provided in PowerPoint
  (ppt) and PDF format.
• Check the web site

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The PC multi-tasking

• Everybody wants the CPU!

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The Solution
How the user and the application programs
communicate with the hardware
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Functions of the OS

• It manages hardware and software resources
• Processor management which application to run
• Memory management which files to load the
  fastest
• Device management talks to printer, keyboard..
• Storage management retrieval and storage
• provides a consistent application interface
  SIMILAR LOOK AND FEEL
• Application interface
• User interface

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Memory Management

• The operating system uses virtual memory to
  fulfil all the memory requirements it needs for
  all the programs you may have running.
• When the memory demand becomes too large for the
  RAM, the operating system uses the hard drive
  instead, making it look as though you have much
  more memory than you actually do as RAM.

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Operating Systems
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Lecture Focus

• Navigating the Windows Environment
• Working with windows
• Windows Explorer
• The Help System
• Bits (not binary this time!) and Pieces

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PROGRAM ICONS
RECYCLE BIN
START BUTTON
STATUS AREA
QUICK LAUNCH
TASKBAR
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The Quick Launch Bar
Put into it the programs you want to access
quickly while you are working in a program
saves having to go back to the desktop "C\Docume
nts and Settings\YourName\Application
Data\Microsoft\Internet Explorer\Quick Launch"
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Window Manipulation

• Windows can be
• opened
• closed
• sized
• reduced/enlarged
• moved/positioned
• YOU MAY VIEW MULTIPLE WINDOWS AT ONCE, but only
  one will be in FOCUS at any one time.

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Common Elements of Windows

• title bar
• menu bar
• toolbar
• minimize/maximize/close buttons
• status bar
• scroll bar

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Menus with ellipses ()and arrows (?)
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Dialog Boxes

• Often have option buttons for you to select.

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Useful Menu Options

• Internet Explorer ? Tools ? Internet Options ?
  Advanced
• Windows Explorer ? Tools ? Folder Options

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Shortcut Keys Save Time
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Shortcut Menus
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Using Windows Explorer
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A Directory is like a tree
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Different Views of a Window
icons
thumbnails
details
list
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Windows XPThe Help System
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Type here
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Shutting Down XP
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If a Program Freezes?

• Alt/F4 TAKES YOU OUT OF EVERYTHING ONE LAYER AT A
  TIME i.e. first out of the program and then out
  of Windows

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