A unit of measurement of force, or pressure, in an electrical circuit. The common voltage of an AC power line is 120 volts of alternating current (alternating directions). Common voltages within a computer are from 3 to 12 volts of direct current (one direction only). See voltage and volt-amps.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Are small cars doomed to fail in the American market?
- Well, Americans will at least buy cars that get better gas mileage, and aresmaller when gas prices rise. It was not that long ago that US manufacturers had big problems with people switching over to Japanese crossover SUVs when gas prices spiked.Maybe the very smallest and best gas mileage will...
- Discussion threads 2009-11-25
- Garmin Nuvi 1690
- Garmin made a pretty big splash last year when it debuted the Nuvi 880, its first-ever Internet-connected portable navigation device PND featuring MSN Direct data service. With MSN Direct scheduled to go offline in the very near future, Garmin had to create something to fill this void, so it partnered...
- Product reviews 2009-11-24
- (Mazda2 preview (photos))
- Another copy!This car resembles the 2009 Seat Ibiza, I would say it is the same car on the outside, the Ibiza has a lot more equipment.Should look into importing this spanish cousin of Volkswagen, there verynice cars.But what kind of mileage does it get?Nice looking car. But the vital question...
- Discussion threads 2009-11-23
- TomTom Car Kit for iPhone
- Unveiled alongside its turn-by-turn navigation app for iPhone at WWDC 2009, TomTom's Car Kit for iPhone is finally available for purchase. Offering a bit more than just a way to hold your iPhone steady while driving, the Car Kit also has a GPS receiver built-in, a car charger, and...
- Product reviews 2009-11-19
- Car Envi Deluxe for iPhone 3.0 (Mobile)
- Car Envi Deluxe for iPhone brings thousands of Web-based automobile photos to your iPhone. From the 1909 Ford Model T through the 2011 Chevy Volt, from powerful American muscle cars through sleek European sports cars, from the electric Tesla through the green Smart fortwo and Toyota Prius, Car Envi Deluxe...
- Software downloads 2009-11-18
- Don't envy the ENVI. GM re-VOLTing other brands
- Cool.Thanks for the news, I'm watching the electric market carefully, as I think that it may be the future. Maybe not in a pure form (the Volt is really a plug-in hybrid), but it's coming.. . . and Ford is interestingly enough advertising like crazy right now. I forget for...
- Discussion threads 2009-11-16
- Don't envy the ENVI. GM re-VOLTing other brands
- Chrysler won't build electric car after all. GM will use VOLT tech for other brands. by Harry Fuller
- Blog posts 2009-11-16
- Lalim Parallel Port Control Basic 3.6 (Windows)
- Lalim Parallel Port Control can control hardware through the parallel port printer port and can also control a remote PC parallel port through a network. Most of engineering industry using PC to control hardware with using additional I/O card but with Lalim Parallel Port Control you can use your default...
- Software downloads 2009-11-15
- Magellan RoadMate 1470
- Design The RoadMate 1470 doesn't deviate from the tried and true portable navigation device form factor. Measuring 3.3 inches by 5.2 inches by 7 inches, the RoadMate's thinness easily makes this unit one of the most pocketable devices in its class. Like nearly all PNDs, the majority of the RoadMate's...
- Product reviews 2009-11-10
- The perfect computer?
- Do we have the technology to build a perfect computer? Would it be perfect for a specific purpose or is it possible to build a perfect general purpose computer? Small Business Computing's Mark Beckley has some answers. Do we have the technology to build a perfect...
- News items 2009-11-02
- Don't tase me in the chest, bro
- Seems like a legal memo to me...It seems to me that when a person receives an electric shock, it doesn't matter where it enters the body, chest, legs, shoulder, neck etc. All the same.Taser is starting to cover it's behind, now that a Canadian judicial enquiry has determined that in...
- Discussion threads 2009-10-21
- Photos: OnStar EV Lab connects to Chevy Volt
- General Motors opens its OnStar EV Lab to provide online services and battery management tools to electric Chevy Volt drivers. by CNET News.com
- Image galleries 2009-10-19
- Carwatchers watching Tokyo
- ZDNet is now a car news site?Harry, where is IT in this blog? As a reminder"ZDNet: Tech News, Blogs and White Papers for IT Professionals. Where Technology Means Business: ZDNet delivers the best tech news, and resources for IT hardware, software, networking and services."So Harry, I have 4 questions for...
- Discussion threads 2009-10-18
- GM to sell small electric car for less than $6,000
- it would be nice......if GM would sell these cars in North America...just my two centsRE: GM to sell small electric car for less than $6,000It aggravates me. Why is the US the last one to get this type of innovation that is affordable. I WANT ONEOh yeah people in a...
- Discussion threads 2009-10-15
- X-Driven DRS-1100 Drive Recorder
- Short of a simple rear-end collision, liability in car accidents can be difficult to prove. However, a new breed of products eliminates some of the confusion by recording video and GPS data to show what actually happened. The X-Driven DRS-1100 Drive Recorder is such a product. it constantly records driving...
- Product reviews 2009-09-29
- What value research? In this case a cool billion dollars.
- Research at MIT led to the founding of A123 Systems. That company just went public to the tune of a billion bills. A123 Systems is in the rechargeable battery biz, a sweet spot these days. It was founded eight years ago with a $100,000 federal grant. My,...
- Blog posts 2009-09-29
- Windmills stir up opposition
- Let's do some mathHarry:How much energy is recoverable, year in, year out, for vertical turbine blades?What percentage of the US' domestic energy usage does that amount to?This is very basic arithmetic.Likewise, when you factor in the energy costs needed to make the lithium ion batteries of the Prius, and assume...
- Discussion threads 2009-09-13
- 'Mericans say: "Gimme a plug-in"
- Pay more, yes...Pay more than the gas price we would save over the life of the car, no. That's the issue now, you do not save more in the long run. Once we get to the point where we would merely break even, then I would seriously consider a plug-in.Electric...
- Discussion threads 2009-09-11
- An electrical circuit that runs entirely off power in trees
- You've probably already heard of the idea of harvesting electricity from body heat to power small devices, such as those in the far-flung idea of a body area network. Now, a similar idea has been applied to trees. There's enough power in trees for University of Washington researchers to run...
- Blog posts 2009-09-08
- 2010 Ford Fusion Hybrid
- Photo gallery:2010 Ford Fusion HybridThe problem with some hybrid cars is that they're often more hybrid than they are car. The 2010 Ford Fusion Hybrid doesn't have that problem. Even without considering the gas and electric tag team happening under its hood, the Fusion is a well-put-together vehicle with an...
- Product reviews 2009-09-03
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