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2.00 Understand Computer Fundamentals

Unit Objective: 2.01C

IPOS Cycle and

Computer Care

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The Information Cycle

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WHAT DOES IPOSSTAND 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

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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.

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How The IPOS Cycle Works

INPUT

PROCESSING

OUTPUT

STORAGE STORAGE

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Computer Care

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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

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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.

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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.

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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

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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

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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