To get full information or details of quiz buzzer circuit using led and buzzer without using led display please have a look on the pages

http://seminarsprojects.net/Thread-8-candidate-quiz-buzzer-using-8051-micro-controller-at89c51

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How Telescopes Works


The introduction to how telescopes work

Maybe you've been out looking at the stars in the night sky, searching for constellations; or maybe you've already learned your way around the constellations, and now you'd like to take a closer look -- at objects like the moon, planets or stars -- with the aid of a telescope.

How they work

A telescope is an amazing device that has the ability to make faraway objects appear much closer. Telescopes co ....etc

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I feel as though there are many individuals on this site who haven't had the opportunity to see what our customers are doing with our products . I know browsing through thread after thread to see results can be daunting, so I've gone ahead and collected photos from many various grow demonstrations that are either completed, near completion, or in progress to show you that the future of lighting technology is here!

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Computer viruses are mysterious and grab our attention. On the one hand, viruses show us how vulnerable we are. A properly engineered virus can have an amazing effect on the worldwide Internet. On the other hand, they show how sophisticated and interconnected human beings have become. ....etc

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digital forensic investigation is a investigation might follow.
form of digital investigation in which the process follow The process isn t unlike that of a physical crime lows rules that allow the results to be entered into a scene investigation.1 In the physical word, investigalegal
court for example, by maintaining the digital tors first preserve the scene to prevent evidence from data s chain of custody. being lost. Next, they survey the scene and locate propose that most subscribers to this magazine

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How a Microwave Oven Works



What are Microwaves

Microwaves are a form of electromagnetic energy, like light waves or radio waves

Microwaves are used extensively in communications
such as to relay long-distance telephone signals, television programs and computer information across the earth or to a satellite in space.

Good for transmitting information because it can penetrate haze, light rain and snow, clouds, and smoke.

Also used in radars and in detecting speeding cars.

Microwave has becom ....etc

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Best Answer: there was such a thing as a 8 stroke, actually called a hit and miss, where it was your usual 4 stroke but it only fired every other revolution, there were several designs, but basically the magic was done in the valve train and ignition system, and the help of a rather large and heavy flywheel, the more complex ones would open the exhaust valve instead of the intake valve every other revolution, thus cutting the fuel consumption in half in theory, mostly used in industrial applications where high torque and low RPM were desirable ....etc

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