Do you want to understand about computer and Its technology? See this!!!!!

Ladies and Gentlemen....is this "Nice", right ??????

Info:DUST is Computer's Killer

DUST is Computer's Killer

Dust is small, divided portions of solid matter that has become airborne.

In a household, dust typically consists of dead skin. Dust in the workplace can be metal, wood or plastic, based depending on the type of environment. Dust is created at home by the shedding of dead skin and in the workplace by any industrial work or movement of office items.

Dust particles range in size from micrometers to several centimeters if allowed to collect into groupings. It can carry moisture, chemicals and inorganic elements and moves as the air flows.

A computer functions on electricity. Its inner circuitry must function within a specific temperature and in an environment void of moisture. If the heat is too great, circuits will overheat and malfunction. To alleviate this problem, many computers use built-in cooling fans. If there is moisture, electricity will not flow as it should and will short-out.

When dust gathers, it begins to block the fan from cooling off the internal components of the computer. Eventually, the circuits begin to overheat and malfunction. As dust also carries moisture, when it comes in contact with the metal connectors of some circuitry, it shorts out the electrical flow. This will cause glitches in your computer's response to any request or device.

Dust also can block connectivity between the adapter cards in the computer. It will settle in the slots for RAM chips and expansion boards and create a gap in the electrical metal connectors of computer to component boards.

Many devices are also damaged by the presence of dust in a computer. Mice and keyboards tend to short-out when dust is blocking the keys or button-clicks. CD-ROMs and other optical laser drives can suffer from jammed doors due to buildup of dust within the gears. The airborne particles can also cause blockage on the optical drive's laser, creating misreads on CDs and DVDs.

Info:The Ways to Take Care Laptop Battery

Modern laptop batteries are capable of providing hours of time away from a power socket, but repeatedly charging and discharging causes the capacity of any battery to dwindle. However, there are some preventative measures which can prolong the useful lifespan of a laptop battery.

Below are some tips to Care to your Notebook Battery:

1. Discharge the battery and do not keep it at full charge unless a full charge is needed. Lithium-Ion batteries react poorly to being kept at full charge for long periods of time, resulting in a battery which will quickly lose its life. The worst possible situation is to keep a battery in a laptop while it is being used on AC or DC power--always take the battery out in these situations.


2. Reduce the heat which surrounds the laptop battery. Heat increases the rate at which the battery ages, resulting in a lower useful lifespan. In home usage, this means keeping the laptop from sitting on carpet, upholstered furniture, blankets and any other insulator which will cause the laptop's internal temperature to rise.


3. Avoid a usage pattern which relies on discharging and recharging the entire battery if possible. Full charges can reduce lifespan by themselves, but a pattern of full discharges followed by full recharges can cause a further acceleration in the reduction of useful lifespan.


4. Occasionally allow the battery to be fully discharged and then charged back to full. While this is bad for the battery if done frequently, it is a requirement for keeping an accurate gauge of battery life. The digital gauges used by notebooks to track how much run time is left in a battery become less and less accurate as the battery is partially charged and discharged. A full discharge and recharge every twenty to thirty uses will resolve the issue.


5. Store the laptop in a cool place while it is not in use and ensure it is not constantly connected to a wall socket. This circles back around to the issues of heat and charge levels. Note, however, that a lithium-ion battery should never be stored at near or below freezing.

Good Luck Everyone!!!

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Do you think this is good for you? ? ?
Would you going to have one ?


Do you think this is good for you? ? ?

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Info:How to Ground Yourself to Avoid Destroying a Computer with Electrostatic Discharge

Electrostatic discharge (ESD) is a fancy term for common static electricity. Getting a shock from the doorknob may not hurt you much, but the same kind of shock can put your computer in intensive care. Whenever you open the case to work on your PC's innards, you should be aware of ESD and how to avoid it.

Please follow the steps below:

1. It is a good idea to buy an anti-static wristband, and follow the instructions for use.(They are sold at most electronics stores.) If you are going to do quite a lot of bench work, you might do well to invest in an anti-static mat

2. If you don't have a wristband, you are not necessarily out of luck. Assuming that your PC is grounded, you can ground yourself by just keeping one hand in contact with the bare metal frame (not a painted or coated surface) of the computer case. Keep the PC power cord plugged in to a (3-prong) grounded outlet and turn off the rocker switch on the back of the power supply. If the power supply does not have a switch on the back, this won't work, however. Never work on a PC with the power on. In that case, you should buy an anti-static band or try another method of grounding

3. As an alternative, alter a standard 3-conductor power cord by snipping off the two flat blades, leaving only the grounding portion of the plug. Or simply purchase a cord like this from an electronics supply house. This accomplishes the same thing as turning off the rocker switch.

4. You can employ an LCD Static Discharger. As a simple measure, you can hang it on your key ring and just dangle it. This is less reliable, but when it touches a ground, it should discharge the static electricity. Procedure：①Lightly touch the oval button with a finger. ②Make sure that the end of the conductive material touches a grounded conductor. (such as vehicle, human body, computer, metal or other) to release static electricity, and observe the LCD display.

Here is some tips:

a. The average person can carry up to 25,000 volts of static energy at any given time. This sounds like a lot, but because the current level is low, you usually won't notice it. Just because you touched the dog's nose and he didn't yelp, it doesn't mean you are safe from ESD. Follow safe ESD procedures any time you open a computer.

b. If the equipment is cold, wait until it has reached room temperature. ESD builds up much faster when it's cold and dry (low humidity).