Download A Peek at Computer Electronics: Things You Should Know by Caleb Tennis PDF

By Caleb Tennis

Are you a programmer or computing device fanatic? Do you are feeling pleased with equipment, features, and variables? Do you would like you knew extra approximately how the pc made all of it paintings? you can now. From simple electronics to complicated desktop undefined, you’ll research the magic at the back of the equipment that makes all of it run.

If you’re into tinkering, or ever considered it, this ebook explains the fundamentals of the way all of it works

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Extra info for A Peek at Computer Electronics: Things You Should Know

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Inside of the glass bulb, an electric current is passed through a wire filament. This filament has an electrical resistance, meaning that the filament utilizes electrical power. In this case, the electrical power in the filament generates heat and causes the filament to glow white, generating light. The bulb’s filament is surrounded by a vacuum or some inert gas to prevent the filament from oxidizing, reducing its usefulness. Early filaments were made from carbon, but modern light bulbs use tungsten filaments.

The abilities of an oscilloscope over a standard voltmeter are many: • Observation of the voltage over time to see if it is changing or not. • Calculation of the frequency of an alternating waveform. • Visualization of electrical noise that may be coming into the circuit. The downside of an oscilloscope is that it is generally larger, bulkier, and more expensive than a normal voltmeter. However, it is an invaluable tool for circuit and signal analysis.

Thus, frequency and period are reciprocal values. 11: Waveform Equations Another interesting concept in AC power is the wavelength, or the physical distance between waves. While the period is the time between successive peaks in the wave, the wavelength is the distance separating two such peaks. In order to figure this out, we have to know how fast the wave is moving. 12, on the next page to figure out the wavelength of a 60 Hertz AC power wave. If we assume that waves in copper travel at the speed of light (note, this is an approximation), then the wavelength comes out to be 5,000,000 meters, or about 3100 miles.

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