Articles articles
Showing page 149 of 165 - There are 4943 Articles articles
-
- 2007-11-13 22:16:19 - Rfid for beginners
- RFID technology is used frequently today and has been around since the 1920s, but not many people know about, or understand it. RFID stands for Radio Frequency Identification and is used to store and retrieve information. This information is stored and retrieved using RFID tags or transponders. RFID tags are small and can be incorporated into many products. The tags have antennas that allow them t...
-
- 2007-11-13 22:16:19 - Looking for information on cd duplication and replication?
- Time is one of the most important things we have that we are always short on. One way to maximize your time is to have the most up to date technology available. But, this can be costly. If you are in the market to purchase CD duplication or replication products, you won't have to spend a lot of money to get quality products to help you with this. Depending on what type of CD duplication you are in...
-
- 2007-11-13 22:16:19 - Using system restore to save yourself from formatting your hard drive
- It is the most annoying thing when one day you use your computer and nothing seems to work fine. Program freezes, files get corrupted or internet doesn't work. You called the customer support or some friends you know who's very much familiar with computer and still didn't solve the problem.There could be one to many things why this happens, you probably came across with spy- wares or danger...
-
- 2007-11-13 22:16:19 - How to read zener diode code
- Many technicians are confused on how to really read a zener diode code. There are many types of code number indicated on it's body. The look and shape of a zener diode sometimescan be mistaken to be a normal signal diode. To differentiate it, is by looking at the codenumber on it's body- whether it is a normal diode or zener diode. Thanks to the manufacturers where their main boards are printed wi...
-
- 2007-11-13 22:16:19 - Digital camera prints - getting the most for your money
- Digital cameras have really taken off in popularity in recent years. It's not uncommon anymore to see several people at an event with a digital camera. Here are some things to keep in mind when getting your digital camera prints converted into keepsakes.Digital Camera Print - Where should you go?Owning your own photo quality printer is definitely the fastest option. There are even pe...
-
- 2007-11-13 22:16:19 - Ink cartridges & printing - poor print quality solutions
- Why are there faint areas or gaps in my print out?* Unlikely, but your paper may need changing due to its deterioration due to its age.* Check that the type of paper you are using in your printer matches ('Media Type') the setting in the printer software 'Main Menu' or 'Print' dialog box.* You may need to clean the print head nozzles. These can be cleaned by employing the ...
-
- 2007-11-13 22:16:19 - 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 a...
-
- 2007-11-13 22:16:19 - 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 boar...
-
- 2007-11-13 22:16:19 - How to solve multiple paper loading problem in hp5l and hp6l laser printer
- Have you ever encountered before the problem of having multiple paper loading in your HP LaserJet 5L and 6L? Do you know that this is caused by a defective separation pad where it's rubber has worn out.The function of separation pad is to control or allow paper to go through it, one at a time. If it spoilt, few sheets of paper will be pulled instead of one whenever you send a printer comman...
-
- 2007-11-13 22:16:19 - How to read crt tube part numbers
- All picture tubes, whether monochrome or color type are identified by a specific code consisting of numbers and letters. The codes are different from each other because different tubes have different characteristics.For example, a certain monitor colour picture tube may have the designation, M34AFA63X03 that can breakdown into 6 parts: M/34/AFA/63/X/03Part 1: ApplicationComput...
-
- 2007-11-13 22:16:19 - What is a crystal? and how to test it
- Crystal are use to keep the frequency of the clock from drifting. If the signal from this clock stops, or is weak, or the pulses begin to vary, the electronic equipments might show intermittent faults or might stop altogether. The microprocessor pins that hold the crystal are usually called OSC IN and OSC OUT as shown in Figure 1 and the frequency is marked on the crystal. Typical examples of crys...
-
- 2007-11-13 22:16:19 - Understanding transistor data and replacement
- If, for some reason, you can't get an exact replacement for the transistor that you want to replace, you can refer to one of the transistor substitution guides or book, and try to identify a "near replacement". Beware, however. A substitution guide will sometimes list a replacement for your part, even though the two parts are not very similar. The most commonly used transistor substituti...
-
- 2007-11-13 22:16:19 - What is a fuse? and how to test it.
- A fuse is a very thin wire, which either melts or vaporizes when too much current flows through it. The thin wire may be made of aluminum, tin-coated copper or nickel. The resulting open in the circuit stops current flow. In electronic equipment, most fuses are cylindrical glass or ceramic type with a metal cap at each end! The current rating also can be seen in one of the two metal end caps. Ther...
-
- 2007-11-13 22:16:19 - What is esr meter?
- All capacitors have a certain amount of resistance to the passage of AC current. ESR (Equivalent Series Resistance) is the sum of all internal resistances of a capacitor measured in Ohms. An ideal capacitor has ZERO ohms ESR. From the diagram below you can see a resistor in series with a "PERFECT CAPACITOR". The value of the resistor is called ESR. Electrolytic Capacitors have a tendency...
-
- 2007-11-13 22:16:19 - Review of popular wireless headphones
- Just about everyone would I agree, I think, that wires on headphones are just about the most annoying wires associated with any electronic device. When you listen to music you don't want to have to stay in anyone one place, and you don't want to have to worry about cords tripping you are pulling your headphones down. The answer to this problem is wireless headphones, many of which allow you to lis...
-
- 2007-11-13 22:16:19 - Review of logitech computer speakers
- When it comes to computer speaker systems, you have a lot of choice. However, there are simply some brands that stand way out in terms of sound quality and dependability, and one of those brands is certainly Logitech. Logitech computer speakers are some of the best on the market, and provide a great deal of clean, powerful sound for a very reasonable price. Logitech offers a variety of computer sp...
-
- 2007-11-13 22:16:19 - What is blu-ray dvd
- Video technology has increased significantly over the past years, and is continuing to grow at an incredible rate. Digital Video Disc's aka DVD's are the most likely the last big jump in consumer video technology that everyone is familiar with. To keep up with the ever advancing world of electronics a new format of video storage will be released soon called Blu-ray.Blu-Ray is a next generat...
-
- 2007-11-13 22:16:19 - How to choose a computer mouse
- Computer MiceEvery computer user can hopefully identify their mouse and the importance it plays in the daily operation of their computer. Mice are nothing new and for the most part are nothing overly complex, but the average user may not be familiar with all of the options and technologies that may go into these little devices. This Tech Tip will take a look at some of the features of mice ...
-
- 2007-11-13 22:16:19 - Do you feel used by computers?
- Do You Feel Used by Computers?A look at second-user computer equipment.Let's dispense with the myths first. I'm NOT talking about the sort of second-hand computers you get from some high street junk shops, or the sort you can buy from free ads newspapers. These are the types that get used computers a bad reputation since there are many dodgy deals to be had!I'm talking ...
-
- 2007-11-13 22:16:19 - Surge protector: a simple mechanism description
- A surge protector [AKA surge suppressor] is an electrical plug-in device designed to distribute safe electrical voltages to other electrical or electronic devices. Surge protectors resemble power strips in appearance; however, they are more sophisticated and deliver a constant, continuous power supply.In addition to connecting multiple devices to a single power source, surge protectors prov...
-
- 2007-11-13 22:16:19 - A technical introduction to audio cables
- What is so important about cables anyway?One of the most common questions asked by consumers faced with purchasing cables for their audio or home theater system is, "What is so important about cables anyway?" They can cost as much or more than some of the hardware in the system and to many it is difficult to understand why wire isn't just wire.To begin to understand how aud...
-
- 2007-11-13 22:16:19 - Just the fax, m?am
- For years, I smugly prided myself as a non-fax machine person. I felt it beneath my dignity to own such a technical contraption. The quill is more my style than a computer but, being practical, I reluctantly use a computer, casting wistful glances at the dust gathering on my quill.Unfortunately, in the world in which we live, it is necessary to fax some letters or documents to someone in so...
-
- 2007-11-13 22:16:19 - Where does technology come from?
- Ever wonder where all the cool gadgets come from? Ever wonder who gets to try this stuff out first? Usually the war machine scientists get it first, try it out and find an application by using it for destruction; an obvious outlet for the human species and our desire to blow things up. It then moves into the private sector for important projects like, Microwave Ovens, Nuclear Energy, aviation spac...
-
- 2007-11-13 22:16:19 - Where can i find the best case mods online and save money?
- Are you captivated by the stunning Case Mods you've seen online but shell shocked at some of the prices.What is a case mod, some of you may ask? Have you every wanted to spice up that boring bland box you call your computer?Well you can and there are lots of people online with fantastic clever ideas on themes, gee whiz lights, sounds, and much much more. Here is a list of top places ...
-
- 2007-11-13 22:16:19 - Trouble-shooting hard drive problems - part 1
- It is extremely important not to make or write any changes to data on the hard drive without first verifying the hard drive configuration. Therefore, the first priority when unable to access information on a hard drive is to verify all of the configuration information dealing with the suspect hard drive.Partition Parameter Value or EquationPartition Status BootableStar...
-
- 2007-11-13 22:16:19 - Three must have accessories for notebook computers
- An Optical MouseNotebooks are normally equipped with touch pads which can be awkward. There's no substitute for the mouse. Notebooks are predominantly used on a static, flat surface. With wireless broadband hotspots mushrooming all over the nation's transit locations, table tops have become as much mobile computing desktops as surfaces on which lattes sit. The touch pads on notebooks...
-
- 2007-11-13 22:16:19 - Two essential accessories for notebook computers
- A Good Notebook BagForget those that are bundled with your notebook computer. Get yourself a good notebook bag that is well-padded both on its load-bearing straps, and 100% around the notebook itself.Aren't all notebook bags built the same? The answer is NO. There are countless bag types and variations. Not all of them have your comfort and protection of the notebook itself in...
-
- 2007-11-13 22:16:19 - Digital cameras, media, and card readers
- With the dropping prices on digital cameras and digital media in the past few years there is really a need for a quick reliable transfer method for your pictures to your personal computer.Using the USB cable directly to your camera works to transfer pictures, but it's a waste of your battery and is often quite slow. Also some cameras don't seem to connect properly without specialized softwa...
-
- 2007-11-13 22:16:19 - Used laptop computer: your quick purchase inspection guide ? part 4
- Used laptop computers are everywhere these days. How can you sift through the mass of available used laptop computers to narrow your search down to the right laptop for you? This fourth and final article strives to give you a few suggestions for your next laptop purchase.Wireless ConnectivityBuilt-in wireless used to be a luxury. More and more now though, it really should be seen as ...
-
- 2007-11-13 22:16:19 - Used laptop computer: your quick purchase inspection guide ? part 3
- Used laptop computers are everywhere these days. How can you sift through the mass of available used laptop computers to narrow your search down to the right laptop for you? This is the third part of a series of articles designed to give you a few suggestions for your next purchase.Test the Keyboard and Built-in MouseWhen you get an operating system up and running, open a text file l...