1. 1.00 Examine the role of hardware and software.
A. Computer Basics
1.00 Examine the role of hardware and software.
Unit Objectives:

2. Proper Computer Care
Keep food and drinks away from the computer and keyboard.
Avoid dusty locations.
Use a surge protector.
Keep magnets Away.
Do not block vents on the CPU.
Avoid bright sunny locations.
Do not move the computer while it is in use.
Always exit programs properly.
Use a virus check program on a regular basis.

3. Proper Diskette Care
Do not remove from drives while drive in running or light is on.
Avoid contact with magnets and electromagnetic fields.
Keep disks stored in a clean, cool and dry place with a protective cover.
Keep protective metal slider in place.
Use a virus check program on a regular basis.
Avoid hot and cold locations.
Make a back-up copy of your programs and files.

4. Proper CD ROM Care
Keep CDs stored in a clean, cool and dry place with a protective cover.
Avoid touching the back side of the CD; to avoid scratches.
Avoid hot and cold locations.
Make a back-up copy of your programs and files.
Insert into CD ROM Drive properly; label facing up.
Only write on CD’s with a CD Marking Pen on a label or the correct side of the CD.

5. Proper Care of Printers
Avoid cold, hot, and dusty locations.
Always use the correct ink or toner replacement.
Always have the proper printer cable connected to your computer.
Never pull paper out of a printer in motion.
Do not turn off the printer while printing.
Read the instruction manual before operating a printer.
Always use the proper type of paper in your printer.

6. How to Maintain your Computer System
Start a notebook of information on your system.
Serial numbers
Vendor support telephone numbers
User IDs
Date and vendor for each equipment and software purchase.
Trouble log
Periodically review disk directories and delete unneeded files.
Make sure all plug-ins are secure at all times.
Turn off the power and disconnect the equipment form the power source before you open the inside of you computer.
Keep surrounding area dirt and dust free.
Back up files and data regularly.
Periodically defragment your hard disk.
Protect your system from computer viruses
Learn to use system diagnostic programs

7. Ergonomics
The science of designing equipment for a comfortable and safe working environment.
Proper Computer Ergonomics
Sit up straight and lean forward slightly from the waist.
Keep your feet flat on the floor.
Your body should be about a hand’s length from the front of the keyboard and centered with the keyboard.
Keep your fingers on the home row keys and curved.
Keep your wrists up, not touching the keyboard or desk.
Focus your eyes on the book, copy or screen.
Place all materials you will type on the right side of the computer and supplies on the left side.
Keep any items you are not using off your desk.
Occasionally rest your eyes and take short breaks.
Avoid lights that cause glare on the monitor.