Sabado, Agosto 6, 2011

summary lesson 3 chapter 3


PC CARE AND SAFETY PROCEDURES FOR USER

SUMMARY:


- Ways of taking care of your PC
  1. You must have a good working station.
  2. You must have a proper workstation design.


- How to take care of your PC
  1.Computers must be placed in cool dry and dry places.
  2.Cables must be tied together to keep them away from walkways to avoid accidents.
  3.Don't eat in front of the computer. Food bits attract insects that can penetrate the hardware and cause malfunctions.
  4.Always use AVR too much electricity might cause it to short.
  5. Do not bump the computer components.
  6. Avoid clutter around your computer. Use soft cloth in cleaning your computer.
  7.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

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