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- Current history
- Many people hail Thomas Edison as one of the greatest inventors in American history, but modern society should also be very thankful that—at least in one case—Edison was spectacularly wrong. As most technogeeks know, Edison was a proponent of direct-current electrical power, as opposed to the alternating current used by...
- Tags: Thomas Edison, alternating current, Jay Garmon, Harold Brown
- Technical articles 2004-02-17
- Build Your Skills: How electricity powers your systems
- If you’re mystified by electricity, then you're not alone. Many IT professionals today know little more about electricity beyond what it takes to properly plug a computer into the wall socket. However, to successfully keep your systems running, you need a basic grasp of a few electrical concepts. Here’s what...
- Tags: computer, Robert L. Bogue, socket, voltage, wall
- Technical articles 2003-04-29
- UPS Technologies: Take Your Pick - What is a UPS?
- Electricity suppliers distribute what is known as alternating current AC, at a voltage of 230 volts and a frequency of 50 Hertz. The only way of storing electricity, in a battery for example, is to convert the alternating current from the mains power supply into what is known as direct...
- Tags: United Parcel Service Of America Inc., Alternating Current
- White papers
Additional Resources
- Alternating ON/OFF
- I recently built a new computer and when I turned it on, it would stay on for a few seconds then turn off and then go back on again continuously alternating. I triple checked all my wiring and I got a green light from my motherboard so I am unsure...
- Tags: sorcery77@..., motherboard
- Discussion threads 2007-10-11
- Problem
- my friend has hp laptop zv5000 .It does'nt charge .It does'nt on without AC Alternating Current Power .It does'nt do problem when starts ,it starts but not on battery without AC Power .So give me solution of it .ThanksHmmm....Probably needs a new battery.
- Tags: Engineering, uzi_libra_88@...
- Discussion threads 2007-07-14
- Geek Trivia: Spark of inspiration
- Test your command ofuseless knowledge by subscribing to TechRepublic's Geek Trivia e-newsletter. Automaticallysign up today!On May 1, 1893, U.S. President Grover Cleveland pushed a singlebutton in Chicago, and a moment later, 100,000 electric lights illuminated theWorld Columbian Exposition, better known as the Chicago World's Fair. Thissingle technical (and more than...
- Tags: Jay Garmon, Nikola Tesla, Thomas Edison
- Technical articles 2004-11-09
- Engineering Measurement and Conversion(EMC) (zip)
- Engineering Measurement and Conversion calculates Electrical, Magnetism and Testing Tools related quantities. It has a lot of formulas to compute a lot of quantities, related to Basic Electricity, Capacitance, Resistance, Resistor Color Coding, Alternating Current, Conductance, Fuse Size, Oscilloscope, Ammeter, Galvanometer to Ammeter, Electro-Magnetism, Inductance, and Transformer. To calculate each...
- Tags: EMC Corp., Quantity, Galaxy, Storage, Hardware
- Software downloads 2008-07-02
- Line System Design for DWDM Networks
- State-of-the-art Dense Wavelength Division Multiplexing DWDM allows data transport with very high capacity, measured in terabits per second, and very long reach, thousands of kilometers. One current DWDM technology arranges network elements into line systems, where a line system is a path consisting of alternating network elements and optical fibers....
- Tags: Network, Network Element, DWDM, Line System, State-of-the-art Dense Wavelength Division Multiplexing, Optical Networking, Networking
- White papers
- Card Game: Kings in the Corner (zip)
- Play this free action-packed card game against the computer or with your friends via the Internet. You can drag and drop cards in descending order, with aces counting as "1". The cards must be in alternating color suit does not matter. This version is the first release on CNET Download.com.
- Tags: Card, Games, Personal Technology
- Software downloads 2008-02-11
- Alternating between Workgroup and Domain in Windows 2003 server/XP environm
- We have a small network consisting of a Windows 2003 server and, 6workstations and a plotter. The server has recently been upgraded to aDomain controller in case this small network is eventually includedinto our larger corporate intranet with al
- Tags: workgroups, networking, security, software, windows, f95476@..., workstation, domain, Microsoft Windows, Microsoft Windows 2003, computer
- Discussion threads 2006-12-12
- Good vs. Evil Dictionary Screen Saver (zip)
- Good vs. Evil dictionary screen saver is a moving dictionary of alternating words and definitions from two very different dictionaries, Easton dictionary of the Bible, and the Devil's Dictionary, written by Bierce Ambrose in the 19th century. If you are easily offended in either direction, I have provided a switch...
- Tags: Screensaver, Dictionary
- Software downloads 2008-10-15
- power supply problems?
- i have an antec 360 Watt power supply on my computer, and one day it suddenly turned off for no reason, then a second later came back on, and immediately continued alternating on and off every second or two. I don't know if this is a motherboard issue, or...
- Tags: power supply, thefunnyname1@...
- Discussion threads 2007-02-07
- power supply problems?
- i have an antec 360 Watt power supply on my computer, and one day it suddenly turned off for no reason, then a second later came back on, and immediately continued alternating on and off every second or two. I don't know if this is a motherboard issue, or...
- Tags: power supply, thefunnyname1@...
- Discussion threads 2007-02-07
- power supply problems
- i have an antec 360 Watt power supply on my computer, and one day it suddenly turned off for no reason, then a second later came back on, and immediately continued alternating on and off every second or two. I don't know if this is a motherboard issue, or...
- Tags: power supply, thefunnyname1@...
- Discussion threads 2007-02-07
- JosephusCS (exe)
- JosephusCS is a program that solves the Josephus Permutation problem. Original Problem: 1000 slaves in a circle, numbered 1 to 1000, are all to be shot except one lucky survivor. The order of shooting is 1, 3, and 5, always alternating, and always immediately removing the fallen bodies. Once a...
- Tags: Body, Circle, Harry J. Smith, JosephusCS
- Software downloads 2008-07-15
- Actinia Screen Saver (zip)
- This screen saver can bring you to a mysterious world of curves resembling sea anemones. Altogether unlimited patterns of sea anemones with various colors are available in this software and every one of them appears at random each time you enter into the screensaver interface. These combinations of curves are...
- Tags: Sea, Screensaver, Curve, iFotoo Software
- Software downloads 2008-07-11
- COM Port Stress Test (exe)
- If you are puzzled by having to stress-test COM/RS232 ports and see no easy way to do that, make sure you don't miss COM Port Stress Test, as it does exactly what you need. COM Port Stress Test is a compact and affordable tool for testing COM, RS232 and RS485...
- Tags: COM, AGG Software, COM Port Stress Test, ActiveX/COM/COM+/DCOM, Middleware, Software Development, Software/Web Development, Enterprise Software, Software
- Software downloads 2008-03-30
- Current-Mode Modeling for Peak, Valley and Emulated Control Methods
- Current-mode operation: An ideal current-mode converter is only dependent on the dc or average inductor current. The inner current loop turns the inductor into a voltage-controlled current source, effectively removing the inductor from the outer voltage control loop at dc and low frequency. The modulator gain is dependent on the...
- Tags: Compensation, National Semiconductor Corp., Benefits, Human Resources
- White papers 2007-08-01
- Xoomer (exe)
- Xoomer is a fully resizable magnification program that displays current cursor location as well as RGB and HEX color information of the current pixel. Features include: various magnification factors from 1/2 up to 30x, Normal or Always On Top mode, current mouse position is displayed in X and Y coordinates,...
- Tags: Mouse, Pixel, Xymantix Online, Xoomer, Mice, Hardware, Peripherals
- Software downloads 2006-06-09
- How do I... Vary headers and footers in a Word document?
- Well-crafted headers and footers add polish to your documents, and Word's basic header and footer tools make it a cinch to format text that appears on each page. But what if you want certain information to be printed differently on alternating pages, such as the page numbers of a book?...
- Tags: Document, Microsoft Word, Word Processors, Microsoft Office, Office Suites, Software
- Download resources 2006-08-23
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