Because, using your computer in a darkened room, focuses all the light form the screen straight at your eyes - causing eye-strain, and possibly vision problems. You should always use a computer in a well-lit room (either by natural or artificial light).
to prevent RSI (repetitive strain injury) on your eyes.
its the same as putting your feet flat on the floor, (ankles) sitting in your chair right, (back) and using correct hand positions (wrists/arms)
because it cannot work without light
The answer is yes. If you have adequate bandwidth, between 1Mbps and 3Mbps you will have no problem using your computer's Internet connection. If you are just doing things offline, there will be no problem either.
No.They have them internally.
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They started using electric lighting in theaters in 1869
Yes you do. There are many options including, but not limited to: Entec, ECue, and Interactive Technologies.
When using computer or laptop, you tend to get eyestrain because of the following reasons. - Prolonged computer use - Poor lighting conditions, glare and distracting reflections - Lesser screen flicker rate (refresh rate)
The hermit found his small house adequate.
There are no laws or regulations that specifically address the health or safety of using a computer. There are some generally recognized guides. These include guides on how to position the screen, keyboard and chair, how to adjust the lighting and position the screen to control glare, etc.
I am renewing my kitchen and now I am choosing the lighting. What are the benefits on using under cabinet lighting?
When using computer or laptop, you tend to get eyestrain because of the following reasons. - Prolonged computer use - Poor lighting conditions, glare and distracting reflections - Lesser screen flicker rate (refresh rate) check out the referred link for more details
The design choices for a computer room are really up to the person that is using the room. A computer room can be large or small, but should contain a good computer desk and an ergonomic chair. It is also important to have good lighting.
It is important to be aware of health and safety when using computers. Extended use of a computer can cause repetitive strain injury.