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BASIC COMPUTER OPERATION. Gülçin Sağdıçoğlu Celep gulcin@metu.edu.tr Department of Mathematics METU 2003. OUTLINE. Computer Hardware Operating systems Terms Disk capacities Viruses Applications and Documents Install ation /reinstall ation Internet Applications. Case Power switch

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basic computer operation

BASIC COMPUTER OPERATION

Gülçin Sağdıçoğlu Celep

gulcin@metu.edu.tr

Department of Mathematics

METU

2003

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

Computer Hardware
cabling
Cabling

For items in or attached

to a system to work

properly they must be

securely connected.

operating systems
Operating systems
  • All computer systems have an operating system. Currently, there are three dominate typical user operating systems.
    • Macintosh OS,
    • Microsoft Windows OS,
    • Linux.
terms
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 outwhen 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 forother 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 canconvert it.
  • APPLICATION = A program that allows a computer to perform a certain function.
disk capacities
Floppy: 1.4 MB

Hard disk: 20GB – 160GB

CD 700 - 800 MB

DVD4.7 GB

17 GB

Disk capacities

1 KILOBYTE = 1000 BYTE

1 MEGABYTE = 1000 KB

1 GIGABYTE = 1000 MB

identify and use icons windows menus
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
name save retrieve revise a document
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
applications
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
internet applications
Internet Applications

BROWSERS

  • Netscape
  • Internet Explorer

http: Hyper Text Transfer Protocol

edu: Education (gov, org, com, ...)

http://www.math.metu.edu.tr

ftp file transfer protocol
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 theInternet. (Browsers, WS-Ftp, SSH, Cute-Ftp,...)

PC

ARF

viruses
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 FTPhttp://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.)
references
REFERENCES
  • Computer Fundamentals for Teachers
  • Basic Computer Operation and Troubleshooting
  • FTP New User Guide