This document provides guidelines and caveats for proper computer usage. It recommends avoiding open beverages around computers to prevent spills, warns that magnets can damage floppy drives and hard drives, and advises saving work frequently. It also offers tips on proper handling of CDs/DVDs, using the eject button rather than pushing the tray in, and regularly blowing out dust.

1. COMPUTER CAVEATS
• Beverages in open
containers are EVIL.

2. COMPUTER CAVEATS
• Magnets
• They destroy Data on
floppy drives and hard
drives

3. COMPUTER CAVEATS
• Save your work often.

4. COMPUTER CAVEATS
• Power Strips
• Use the Power buttons
on the PC and
peripherals.

5. COMPUTER CAVEATS
• Proper handling of CDs
• OK to wash CDs in mild
soapy water or get a CD
cleaner (inexpensive)

6. COMPUTER CAVEATS
• Don’t push the CD tray
in – use the button.

7. COMPUTER CAVEATS
• Dust Kills
• It’s a good idea to blow
the dust out of your
computer regularly.

8. 8
Examples of Computer Usage
•What are five categories of computer users?
Home Small Office/
Home Office (SOHO)
Mobile
Large Business Power

9. 9
Examples of Computer Usage
• What software is available for a home user?
• Web access
• Entertainment
• Communications
• Personal finance management

10. 10
Examples of Computer Usage
 Local area network (LAN)
 Productivity software
 Specialty software
 Web usage
 E-mail
•What software is available for a small
office/home office (SOHO) user?

11. 11
 Hardware
Examples of Computer Usage
•What is available for
a mobile user?
 Software
 Productivity
 Presentation
 Personal
information
manager
Notebook
computers
Handheld computers
Web-enabled
cellular phones

12. 12
Examples of Computer Usage
• What are the needs of the large business
user?
 Web access
 Public kiosk
 Telecommuting
 Network
 Productivity software
 Scheduling

13. 13
Examples of Computer Usage
• What are the needs of a power user?
 Speed and large amounts of storage
 Types of power users
 Engineers
 Architects
 Desktop publishers
 Graphic artists

14. 14
Servers
•What types of servers are there?
Midrange server Powerful, large
computer that supports up to a few
thousand computers
Mainframe Very powerful,
expensive computer that supports
thousands of computers
Supercomputer The fastest, most
powerful, most expensive
computer. Used for applications
requiring complex mathematical
calculations

15. Data Encryption
Encryption - convert (information or data) into a code, especially
to prevent unauthorized access
File encrypted Locked file sent to recipient File decrypted with identical key

16. 16
Computer Applications in Society
•What are some examples of computer
applications in society?
 Education
 Finance
 Government
 Healthcare
 Science
 Publishing
 Travel
 Industry

17. “Other” Computing
Machines: Man made things
which make our work easy

24. Just the beginning…..
We just touched on the very basics with this presentation!
There is so much more to understanding computers.
There are books that are thousands of pages long that explain how
they work in great detail.
But now maybe you understand them more than you did before and
you’ll want to keep learning.
Keep computing!

25. TIME FOR A STRETCH BREAK
• TIME TO GET UP AND STRETCH
• CLEAN YOUR GLASSES
LET’S TAKE A BREAK!

26. Thank You