8. Cabling
For items in or attached
to a system to work
properly they must be
securely connected.
9. Operating systems
All computer systems have an
operating system. Currently, there
are three dominate typical user
operating systems.
Macintosh OS,
Microsoft Windows OS,
Linux.
10. 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.
13. 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
14. 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
15. 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
17. Internet Applications
BROWSERS
Netscape
Internet Explorer
http: Hyper Text Transfer Protocol
edu: Education (gov, org, com, ...)
http://www.math.metu.edu.tr
18. 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
19. 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.)