ICSA 202

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ICSA 202

• Course Intro
• Windows NT Workstation 4.0

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Course Introduction

• This course is not an easy A!
• We will cover all operating environments and
  software tools necessary for success in IT

• Operating Systems
• Mac OS 8, Windows NT 4.0, DOS 6.2, VAX/VMS, UNIX
• Communication
• E-mail, FirstClass, Usenet
• Internet Tools
• Telnet, FTP, Web Browsers, HTML

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What is an OS?

• Traffic Cop for the computer
• Handles basic operations
• memory management
• file management
• interface appearance
• interaction between user and software
• Examples Windows 95, Windows NT, Mac OS, DOS,
  VAX/VMS and UNIX

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Selecting an OS

• Often driven by hardware
• Historically, a trade-off between ease-of-use and
  power
• Two primary types of OS
• GUI Graphical User Interface (Mac OS, Windows)
• CLI Command Line Interface (VAX/VMS, UNIX)

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Windows NT 4.0

• Two components
• Server not covered in this class
• Workstation Installed on all IT PCs
• NT Workstation 4.0 vs. Windows 95
• Interfaces are almost identical
• NT is network security focused for business
• NT does not provide plug-and-play or
  powermanagement, and runs on a more limited
  number of hardware configurations

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IT Network Passwords

• You cannot use the IT NT workstations without a
  user ID and password (assigned by IT labbies)
• User ID is your 3 initials followed by the last 4
  digits of your ID
• Dont share your password! You are responsible
  for misuse of the system under your name

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Logging In and Out

• On startup, you are prompted for user ID and
  password (domain should be INFOTECH)
• CTRL-ALT-DEL provides options to log off when
  complete, change your password, or shut down the
  computer
• After logging off, you must press CTRL-ALT-DEL
  again to log on

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Mouse Basics

• Left button selects an item
• Right button provides context-sensitive menus
  (also known as contextual menus

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The Desktop

• Icons
• Task Bar
• Windows
• Contextual menu
• arrange (sort) or line up icons
• paste items or shortcuts
• create folders or shortcuts
• change desktop properties

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Icons

• Graphical representations of disks, programs,
  directories, and documents
• On every desktop
• My Computer
• Network Neighborhood
• Recycle Bin

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Task Bar

• Start button
• Open applications or documents
• Find files or folders
• Get help
• Shut down computer
• Any open applications or windows
• Contextual menu to manage all open programs and
  windows

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Window Basics

• Control menu button
• Title bar
• Menu bar
• Sizing buttons Minimize, Maximize, Close
• Toolbar
• Scroll bar
• Status Bar

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Window Manipulation

• State changes
• maximizing
• minimizing
• Resizing a restored window
• stretching horizontally or vertically
• rubberbanding

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Contextual Menus Icons

• Options vary depending on the type of the icon
• Typical menu items
• Open, Explore, Cut, Copy, Send To, Create
  Shortcut, Delete, Rename, and Properties
• IT-specific options
• Iomega format options for Zip disks
• Winzip options to add files to archives

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Disks, Directories and Files

• Disks are like drawers in your filing cabinet
• Directories are like file folders in a file
  drawer
• Folders can be inside of other folders
• Files are applications or documents created by
  applications

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Types of Disk Drives

• Floppy drives (usually A)
• Hard drives (usually C)
• CD-ROM drives
• Zip drives
• Network drives

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Floppy Disk Basics

• PCs generally use 3-1/2 or 5-1/4 drives
• 3-1/2 disk characteristics
• can be single or double-sided
• low (dual) or high density
• Most common is high-density, which holds 1.44MB
  of data

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Hard Disk Basics

• High-capacity, non-removable drives
• In IT lab, you only have access to the Public
  directory on the hard drive
• Typical sizes on current computers are 500MB,
  1GB, 2GB

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CD-ROM Basics

• Read-only drives
• Used to load programs, access databases

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Zip Disk Basics

• Removable disks that hold up to 100MB of data
• Useful if you plan to use the IT labs regularly,
  or will be doing multimedia work in the labs

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Network Drives

• Disk drives that are on other computers, but have
  been made accessible over the NT network
• In IT lab, used for distribution of public domain
  items, and for faculty drop boxes
• Accessed through Network Neighborhood

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File Names

• Unlike earlier operating systems, Win95 and NT
  allow long file names and spaces in names
• Note many older programs dont recognize the
  long names

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File Name Extensions

• Last three letters (preceded by a dot) identify
  type of file
• Program files
• usually have .com or .exe extensions
• executable files
• Document files
• extensions are used to determine what program
  owns the file
• associations can be modified in Explorer

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File Properties

• Displayed using contextual menu
• Options include
• read-only cannot be modified
• archive the file has been changed
• hidden not visible in the list window
• system part of Windows NT

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Windows NT File Managers

• My Computer
• double-click icon on the desktop
• provides icon-based view of folders and files
• Windows NT Explorer
• Select NT Explorer from Start menu programs
• Right-click My Computer, choose Explore

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My Computer Window
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Explorer Window
Folderlist
Contents ofselectedfolder
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Selecting Files and Directories

• Selecting contiguous (adjacent) files
• hold down the Shift key and click on each file
• Selecting noncontiguous files
• hold down the Ctrl key and click on each file

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Copying Files and Directories

• Select icon(s) first
• Menu Edit Copy
• Contextual Menu Copy
• Keyboard Ctrl-C
• Item must be pasted into new location to complete
  process

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Pasting Files and Directories

• Select/open new location
• Menu Edit Paste
• Contextual Menu Paste
• Keyboard Ctrl-V

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Deleting Files and Directories

• Select icon(s) first
• Menu File Delete
• Contextual Menu Delete
• Keyboard press the Del key

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Renaming Files and Directories

• Select icon first
• Menu File Rename
• Contextual Menu Rename
• Keyboard Click on name, then edit

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Creating Directories

• Open disk or directory to put new directory in
• Menu File New Folder
• Contextual Menu New Folder

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Creating Shortcuts

• Shortcuts allow you to place a pointer to an
  original icon in another place on the system
• Examples
• Put a pointer to an application icon on the
  desktop to launch it faster
• Put a pointer to a document folder in multiple
  places on your drive
• A shortcut is not a copy of the file!

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Running Applications

• Double-click on application icon
• Double-click on file associated with the program
• Double-click on a shortcut to either of the above

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Finding Files

• Start menu Find Files or Folders
• Can use wildcard character () for a string
• any file ending with .doc would be .doc
• any file starting with 202 would be 202.
• all files would be .

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Modifying System Options

• Start menu Settings Control Panel
• Control panels handle a variety of functions
• Sound
• Display
• Printers
• Mouse
• Network connections

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Key Activities for Lab

• Copying, renaming and deleting files
• Creating, renaming and deleting directories
• Launching and quitting applications
• Viewing and changing file attributes
• Associating file extensions with programs
• Finding files
• Modifying system options
• Accessing network drives