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The Right Way To Discharge Capacitor In Switch Mode Power Supplies Switch mode power supply contain some large filter capacitors that can hold dangerous charges even if the unit has not been used for several days. Typical values of this type of filter capacitor are 220uf 250volt and 330uf 400volt! If you are going to work on the power supply circuits, it's a good idea to discharge that capacitor first. Do You Feel Used by Computers? Do You Feel Used by Computers? Laptop Computers and the PVP Effect! Roll over lumbering desktop computers, the limber laptop is here, and it's here to stay! For a while now notebooks have outstripped their ageing desktop PC siblings, easily winning the gold medal in the computer sales olympics. We will illustrate how the PVP effect has contributed greatly to the increase in popularity of notebook computers. What is EEPROM ? EEPROM stands for Electrical Erasable Programmable Read Only Memory and also referred to as E²PROM. As the name suggest, an EEPROM can be both erased and programmed with electrical pulses. Since it can be both electrically written into and electrically erased, the EEPROM can be rapidly programmed and erased in circuit for reprogramming without removing them from the circuit board. The Road Ahead We live in an area that has begun to use GreenBins for household waste. Our regular garbageis picked up every other week and the onlyweekly garbage collection is our green plasticbins, to be filled with leftover food productsand other organic waste. When the program first started, I was surewe could never change our ways, but beforelong, depositing bones and leftover food inthe bin became automatic. Why am I telling you this? Because using thecomputer will also become easy for you themore you try. Sure, the learning curve issteeper than remembering which containerto use for which type of garbage, but theidea is the same. Every time you perform afunction or solve a problem on your computer, it will be easier than the time before. This week, I read a book written by Bill Gatesin 1996 titled 'The Road Ahead'. Gates said, "Computers frighten almost everyone(everyone but children), before they learn touse them. When people spend more time withcomputers, they understand them better.You can start by playing computer games ordoing other simple things. Once you startusing them, I think you'll like them." With the Internet, we can keep in touch withold friends and make new ones; have virtualexperiences of flying an airplane, driving acar, even dissecting a toad. Pilots and doctorspractice their work without worrying aboutaccidents. Every school can have a wonderfullibrary thanks to the Internet. Gates saw then how much our world wouldchange because of computers. Banking andshopping online, distance learning, the abilityto telecommute and work from home - all ofthese grew as software became better andmore powerful. Gates talked about his own futuristic house. Anyone in the house wore an electronic pin thattold the house who and where you were. Whenit got dark, the pin would turn on lights nearbyand turn them off when you went away. Musicwould play near you and the phone ring nearbyonly if the call was for you. A home control console activated choices of lighting, music,and temperature. That was in 1996, so whoknows what his home is like now! The book ended with a cartoon showing a muttusing a computer and saying "On the Internet,nobody know's you're a dog." How true - onthe Internet, we are all on equal ground.When in my 40's, the university library where I worked was computerized. The thought of using those machines at my age was so intimidating that I moved to another department. I transferred back a year later, determined to learn. JunxionBox -- WiFi Access Everywhere Now you can more easily access the Internet wherever mobile phone carriers offer high-speed data service coverage. How To Stop Junk Faxes From Wasting Your Paper and Toner Junk faxes waste the resources of every business. It is estimated that they cost businesses tens of millions of dollars a year in wasted paper, toner and fax machine maintenance. There is nothing more aggravating then coming into the office each morning to find a pile of junk faxes promotion everything from mortgage refinancing to septic tank solutions. I don't even have a septic tank! Laptop Computers Instigate Classroom Revolution! Have you noticed that laptop computers are beginning to dictate what happens in the classroom? Additionally, mobile technology is changing where learning takes place. This is especially true as laptops are entering the educational arena in ever increasing numbers. What You Should Know Before You Buy Computer Equipment You will have many factors to consider when deciding on which computer equipment to buy. The bewildering amount of choices can seem overwhelming. This guide will help you compare computer equipment features, and help you to examine and sift through many of the basic items before you buy a new computer. If it be a desktop PC, laptop, discount/surplus computer, a refurbished computer or a computer accessory, this quick guide will help you to get the most for your money. Printers Do you feel overwhelmed when buying a computer or a new printer? A Review of HP Laser Toners Hewlett-Packard is, along with Brother and Samsung, one of the most readily available brands of laser toner. This is due, in part, to the fact that HP was first to release a laser toner inexpensive enough to catch the attention of the average consumer, in 1984. Computer Parts Online In today's age, building computers on yourself is often chosen as the safest and choicest option by a sizeable part of the market for computers. There are various advantages and disadvantages for doing so. Choosing The Right Bar Code Reader The importance of a bar code reader in this day and age cannot be denied. A lot of practical and pragmatic applications for a bar code reader have been rendered essential by the changing times. Whether you're running a commercial establishment, a public or private library, a company that employs a lot of people, or a school that is attended by numerous students, a bar code reader would do wonders for your daily operations. Is A Laser Printer Right For Me? The average home computer user definitely does not need a laser printer. Sure laser printer prices have fallen considerably in the last couple of years. But have you look at the cost of laser toner? The average laser toner cartridge sells for over $100. The cost of replacement ink can really ad up on you. Cost of ink should not be the only factor that deters you from buying this kind of printer though. How To Upgrade Your PC Before you upgrade your PC hardware it's best to search all options and ask for advice. Only after this you can go and buy a new component. It's also useful to check if you really need an upgrade. Getting A New Laptop At A Great Price With all the wheeling and dealing that seems to take place on the internet at all times of the day, it can sometimes get confusing just trying to find your own deal. Finding the best price on your new laptop is most likely your highest priority at this point, but there are other important factors as well. Buying Laser Toner Cartridges Compatible Laser Toner Cartridges Getting to Know Inkjet Printers Inkjet printers were born in the 1980s, replacing the popular dot matrix printer. Inkjet printers drop droplets of ink onto printer paper to produce text and images. The drops of ink are actually smaller than the width of a strand of hair, so don't expect to actually see individual droplets on your printouts. It's not like the older dot matrix, which produced much larger drops of ink. Laptop and Notebook Theft Prevention Laptops or Notebook computers are an expensive personal and business asset that are highly sought after by both small time thieves and large complicated theft rings. Keeping your laptop and notebook computers safely in your possession should always be in the back of your mind. Not only are these extremely expensive, they can contain very private personal information or business secrets that can hurt you if the information was ever brought public, or worse yet, sold to a competitor! Inkjet Jargon Explained With all the technical terms out there, it is becoming increasingly difficult to keep up with inkjet jargon. Unfortunately, understanding the differences between the various terminologies is a must in todays advanced technological age. Below are a few of the more commonly used inkjet jargon terms you might come across and some information that will help you keep it all straight in your head.
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