summary of lesson 3

PC CARE AND SAFETY PROCEDURES FOR USE

•  Ways of taking care of your PC

•    You must have a good working station.
•    You must have a proper workstation design.

• How to take care of your PC

•   Computers must be placed in cool dry and dry places.
•   Cables must be tied together to keep them away from walkways to avoid accidents.
•   Don't eat in front of the computer. Food bits attract insects that can penetrate the hardware and cause malfunctions.
•   Always use AVR too much electricity might cause it to short.
•   Do not bump the computer components.
•   Avoid clutter around your computer. Use soft cloth in cleaning your computer.
•   Always scan for computer viruses. Some connections carry viruses that can damage files.

• Health risks:

•  PC's emit radiation and can cause damage to our health due to prolonged use. 

• Good working habits

• tap on the keys gently.
• avoid long uninterrupted periods of typing.
• avoid staring at the monitor for too long.

• Proper workstation design

• well ventilated room
• adjustable work station
• 16 to 24 inches away at the eye level
• extendable legs on the keyboard
• place mouse where it easily accessible by your dominant hand
• use document holder to minimize the vertical head movement