Lesson Three Summary

Lesson 3: PC Care and Safety Procedures for Users
Introduction
How to Take Care of Your PC
1.Computers need a good working temperature to work properly.
2.All the cables and connectors must be tied together to keep them away from walkways to avoid accidents.
3.Refrain from eating in front of a computer.
4.Always use an AVR.Also turn off computers during lightning as this can cause electrical surges to the computer.
5.Do not bump or drop the computer peripherals or components as any damage may cause them to malfunction.
6.Avoid clutter around your computer.
7.Always scan for computer viruses.

GOOD WORKING HABITS
1.Tap on the keys and mouse buttons gently.
2.Avoid long, uninterrupted periods of typing.
3.Avoid staring at the monitor for long periods.

PROPER WORKSTATION DESIGN
1.Position in a well-ventilated, comfortable room.
2.Use an adjustable workstation and an ergonomic computer chair.
3.Place the monitor 16 to 24 inches away, at eye level or slightly at a lower angle.
4.Use extendable/retractable legs of the keyboard.
5.Place mouse where it is easily accessible by your dominant hand,
6.Use a document holder to minimize vertical head movements.

PROPER POSTURE
1.Sit up straight and put feet flat on the floor.
2.Position your lower arms parallel with he floor and level to your keyboard, with elbows at your side
3.Keep wrists straight.
4.Do not lean into he monitor, but sit close enough to the keyboard and the mouse to stay relaxed.