basic comp oper
DESCRIPTION
computer basicsTRANSCRIPT
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BASIC COMPUTER OPERATION
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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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Typical parts of a motherboard.
ABIT SE6
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Cabling
For items in or attachedto 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 KB1 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 ApplicationsBROWSERS
Netscape
Internet Explorer
http://www.math.metu.edu.tr
http: Hyper Text Transfer Protocoledu: Education (gov, org, com, ...)
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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