1. 2.00 Understand Computer Fundamentals
Unit Objective: 2.01C
IPOS Cycle and
Computer Care

2. The Information Cycle

3. WHAT DOES IPOS STAND FOR?
Input
Enters data into the
computer
Processing
Changes data into
usable form
Output
Sends data out of the
computer
Storage
Saves for use later

4. What Happens During The IPOS Cycle?
INPUT –
when information is entered into the computer; the computer receives information
PROCESSING –
when the computer processes the information that has been entered
OUTPUT –
when information leaves the computer
STORAGE –
when information is stored to be used later.

5. How The IPOS Cycle Works
INPUT
STORAGE
PROCESSING
STORAGE
OUTPUT

6. Computer Care

7. Maintain Your Computer System
Read your manual before operating your computer
Make sure all plug-ins are secure at all times
Keep the surrounding area dirt and dust free
Keep eraser gum, food, and liquids away from the keyboard
Do not stick pens or pencils into the drives on the CPU
Keep your fingers and hands free of oily products, like lotion,
and some hair products
Clean the monitor with electronic wipes and do not touch it with your fingers

8. Proper Computer Care
Keep food and drinks away from the computer and keyboard.
Avoid dusty locations.
Use a surge protector.
Keep away from magnets.
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.

9. Proper Diskette Care
Do not remove from drives while drive is 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 storing in extreme hot and cold locations.

10. 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 the computer
Never pull paper out of a printer in motion
Do not turn off the printer while printing
Read the instructor’s manual before operating a printer
Always use the proper type of paper in the printer

11. Proper Care of a Digital Camera
Clean regularly
Do not subject to knocks, vibrations, and magnetic fields, smoke, water, steam, sand, or chemicals
Handle all moving parts with care
Turn camera off before removing or disconnecting power source or cable or removing battery or memory card
Don’t store or use in humid, dusty or dirty places
Keep away from extreme hot or cold temperatures
Avoid direct sunlight for long periods
Avoid scratches with sharp or hard objects
Keep dry and free of condensation
Store correctly when in in use
Don’t drop in water

12. Proper CD-ROM/DVD 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