BASIC COMPUTER OPERATION

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BASIC COMPUTER OPERATION

• Gülçin Sagdiçoglu Celep
• gulcin_at_metu.edu.tr
• Department of Mathematics
• METU
• 2003

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OUTLINE

• Computer Hardware
• Operating systems
• Terms
• Disk capacities
• Viruses
• Applications and Documents
• Installation/reinstallation
• Internet Applications

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Computer Hardware

• Case
• Power switch
• Reset switch
• Hard drive
• Floppy
• CD/DVD
• Serial ports
• Parallel port
• USB port

• Keyboard/mouse
• Network card
• Modem
• Sound card
• Video card
• RAM
• Motherboard
• Fan
• Cables

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The basic system including keyboard, mouse and
monitor.
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What is in the box? Motherboard
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(No Transcript)
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Typical parts of a motherboard.
ABIT SE6
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Cabling
For items in or attached to a system to work
properly they must be securely connected.
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Operating systems

• All computer systems have an operating system.
  Currently, there are three dominate typical user
  operating systems.
• Macintosh OS,
• Microsoft Windows OS,
• Linux.

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Terms

• A Floppy disk C Local disk D Local disk
  (partition)
• RAM Random Access Memory. The thinking space
  available to a computer to use while performing
  operations. The space is emptied out when the
  computer is turned off.
• DIRECTORY An organizational structure on disks
  to file management easier. Directories also
  become a local region for the computer to hunt
  for other files related to the current file.
• DOCUMENT A file created using an application.
  The file is only useful using the application
  that created it or a similar application that can
  convert it.
• APPLICATION A program that allows a computer to
  perform a certain function.

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Disk capacities

• Floppy 1.4 MB
• Hard disk 20 GB 160 GB
• CD 700 - 800 MB
• DVD 4.7 GB
• 17 GB

1 KILOBYTE 1000 BYTE 1 MEGABYTE 1000 KB 1
GIGABYTE 1000 MB
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Floppies, CDs
Backup
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Identify and use icons, windows, menus

• Point, click, double-click, drag drop
• Minimize and maximize a window
• Use pull-down menus
• Select, open, and move an icon
• Select, open, move, and close a window
• Resize a window
• Scroll a window
• Activate and de-activate a window
• Start an application and create a document

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Name, save, retrieve, revise a document

• Name a document (!)
• Save a document
• Retrieve a document from floppy disk
• Retrieve a document from hard disk
• Re-name a document
• Edit and re-save a document
• Print a document
• Create and name folders
• Save, open, and place documents inside folders

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Applications

• Open and work with more than one application at a
  time
• To switch between them for Windows click on the
  application at the "TASKBAR" down on the screen
• Alt TAB button

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Install/reinstall and update system software and
drivers
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Internet Applications

• BROWSERS
• Netscape
• Internet Explorer

http Hyper Text Transfer Protocol edu Education
(gov, org, com, ...)
http//www.math.metu.edu.tr
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FTP (File Transfer Protocol)

• The simplest and most secure way to exchange
  files over the Internet.
• FTP Client is the software that is designed to
  transfer files back-and-forth between two
  computers over the Internet. It needs to be
  installed on the computer and can only be used
  with a live connection to the Internet.
  (Browsers, WS-Ftp, SSH, Cute-Ftp,...)

PC
ARF
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Viruses

• Viruses are programs that reproduce themselves
  into the files of your computer
• Anti-virus software and automatic update
• Mcafee Virus Scan
• Configuration of Automatic Mcafee Virus Update
  via FTP http//www.math.metu.edu.tr/department/doc
  /virus/virus_update.html
• Current security patches applied to operating
  system and applications.
• Do not open any unexpected attachments that are
  e-mailed to you. (Particularly .exe files.)

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REFERENCES

• Computer Fundamentals for Teachers
• Basic Computer Operation and Troubleshooting
• FTP New User Guide