An Introduction to HD-DVD

High density digital versatile disc format is an optical digital is being developed. The HD DVD is similar to competition Blu-ray Disc. He is currently in a format war with Blu-ray Disc proposed by the Blu-ray Disc Association. HD DVD has a single layer and 15GB dual layer capacity of 30 GB of capacity. The surface layer is 0.6mm thick, which is the same thickness of the surface layer as standard DVDs. HD DVD is cheaper to produce Blu-ray, which requires new tools for DVD production lines. Another advantage of Blu-ray Disc is the structure that makes DVD players, therefore, for full compatibility of HD DVD will be able to play DVDs and CDs. But it is now likely that Blu-ray Drive is backward compatible with DVDs. HD-DVD offers plenty of storage capacity needed for all types of recorded content, including high definition movies and music, as well as computer data and files. There are two types of HD-DVD content for the discs, single-layer disc and 15GB dual layer with twice the capacity, a total of 30 GB. Using the latest technology for compression, 30Bg disc can store up to 7 hours of images. Today, the DVD has a capacity of 4.7 GB, and the store only 2 hours of standard definition content. HD-DVD discs have a data rate of 36.55Mbps which allows the flow of data from 24 Mbps to digital television broadcasts that were recorded without a problem. The use of HD-DVD in the world each day, has many advantages over other technologies for optical communications. Resilience HD DVD disc has a protective layer, which eliminates the need for a protective cartridge, so that the development of thin pieces of equipment. She added The bulk of a disk cartridge which has also caused the use of laptops in a cartridge-based optical disc media to increase significantly the size to provide more space in the device you Need. Red Chuck site running on both http://www.blueray-media.co.uk http://www.blueray-media.co.uk Blu Ray and HD DVD formats http://www.hddvd media. co. uk / http://www.hddvd-media.co.uk/

How To Choose A Computer Case

Things to consider when selecting a team in the past, these cases are very similar? Clones of the same boring beige box. With all the opportunities today, it is no longer the case, and people can use their chassis as a means to express themselves and to set up its system outside of the rest. Although the look can be a big, is not the only factor in the selection process, and the following must be taken into consideration when buying a new computer. 1. Form Factor There are various sizes of the motherboard, which in turn require different cases from their homes. If form factors share the names of the motherboard that supports, and some of the town which includes ATX, Micro ATX (mATX), FlexATX and Mini CD. ATX motherboard is perhaps the most common and largest of four in most measure 12 x 9.6 (305 x 244mm). On board is highly Micro ATX 9.6 x 9.6 (244mm x 244mm), a FlexATX is 9.0 x 7.5 (229mm x 191mm) and a mini CD comes in a small 6.7 x 6.7 (170mm x 170mm). ATX and mATX are by far the most popular size of the motherboard motherboard for consumption, and therefore, most cases are designed to support one or other of these dimensions. A mATX motherboard, of course, it can fit in a box under a ATX motherboard, it is different size cases available to match. Large cases are largely consistent with the low minor factor motherboard, but the reverse is not true. For example, someone with this Amptron mATX motherboard can save a couple of inches and install it in this case mATX height of 14.25, or pick up something black ATX case which is slightly higher than 16.5. Many branded systems (which you can purchase and binaries with pre-installed software) is usually a combination of a standard form factor (such as a mATX) with some form of conception of property (usually on the panel move forward and cabling) and buying a new case of this type of motherboard can be difficult. Some systems also marks the use of less commonly used factors such as NLX and LPX (which strip cards used for expansion slots) and search for a replacement for cases of this type of system can be very difficult and expensive job. A small system May be desirable when space is limited, but larger form factor cases provide more room for hard drives and other peripherals, a smaller motherboard May be better suited to a larger problem of such a system. 2. Size size can go hand in hand with the form factor in many aspects, but also take into account cases in the same form factor, there May be variations in size, in some respects. Areas where size can vary are the objectives in general, the number of exposed 5.25 and 3.5 bays, and the number of internal bays. ATX case must obviously be large enough to hold a ATX motherboard, and some are large enough, while others seem cavernous in comparison. If a case has to fit under a low platform, or between elements of a certain thickness, it is important to choose an appropriate size of the case. The cases are two basic configurations in light of its size and shape, either on the desktop or tower. Desktop cases are wider than they are high and is oriented so the motherboard add flat, while cases have been towers of the motherboard upright, and come in three heights? mini-tower, half, and the whole tour. Tour of cases are more frequent these days, and now is the only style in the team event geek inventory. The number of discs generally exposed directly related to the overall size of the case. The most vulnerable ports 5.25 May be advisable for those with more than a DVD or CD-ROM drive, removable drive racks, and fan controllers. 3.5 Deferred berries are generally concerned about the floppy disks, Zip drives, fan controllers, and things like this 9-in-1 card reader, and in most cases you can get one or two of these bays , At most. This case is very similar in appearance to another, but they have a difference that could be an important factor. Both have postponed four bays 5.25, but it has two bays of 3.5 while the other one. If a user has a floppy drive and 9-in-1 card reader, which must choose either to install one, or use an adapter and take one of the bays with 5.25. Internal bays are generally reserved for hard disks, and systems with multiple drives require the necessary space. Therefore, if a user decides if they wanted a yellow, but it needs to five drives, which would be forced to choose a gift (5 internal drive bays) over this (4 internal drive bays). 3. Air cooling is an important consideration when selecting a team like that. High-end can generate a good amount of heat, and the issue should be refrigerated to keep the system working and stable. The basic configuration for cooling the case of hiring a fan near the bottom of the front and an exhaust fan on the back. This will allow cooler air to be drawn in, went on various elements generate heat and covered in the back. There are many other cooling configurations available that can provide improvements in the form of cooling and noise. One way to reduce noise, and May move more air, is a case of use of 120 mm (4) fans instead of the usual 80mm (3) fans, that the biggest fans do not need turn so quickly push the same volume of air. The Z-Alien uses a 120 mm fan of the exhaust system has also another important element for good ventilation. The grid fan is very open, which means that there will be a minimum of resistance to air flow and reduce the noise of the air Rushes past. Many fans grids are designed to pierce the case of metals, and do not provide enough space for good air circulation. Another approach is to improve the cooling fans shed more heat. The matrix case, adding another fan to the side panel that will draw cool air in the upper right on the processor and video card, two of the hottest topics in a system. Other issues add an exhaust fan at the beginning of the case, which conducts heat like a fireplace. Regardless of the approach, cooling is an area that requires careful consideration when it comes to case today for great power systems. 4. Installation of mounting a system in a case can be a matter of time, which can be annoying for them in a continuous cycle of improvement. Many cases now includes features that make installation easier and less time and some of the features of the facility should include a tray for the motherboard mobile removable drive cages, tools, unless the card ' extension mounts, tool less side panels, and tool-less drive rail systems. Being able to remove the motherboard tray and drive cage, it is easier to work in these areas outdoors, and a tool-less system for mounting devices or card means, it is not need for screws or a screwdriver. Certainly save time! Despite the inclusion in the team geek site does not X-Blade ATX case has both a removable drive cage tools and small unit of the rail system, according to the review. 5. Articles convenience is not enough of a case at home now need to multi-task. A regularly used connections on the front or top of the case is a common feature of convenience that many seek. Case, for example, AZ-Alien model allows users to forget the problems around the back of your case to connect things like USB, Firewire, headphone and microphone jacks are located at the top. Other cases are available to take to another level, including watches, digital thermometers meters to monitor specific components, fan controllers and maintain a healthy balance between noise and cooling performance. 6. Style A few years ago, cases have occurred in a single color and style of the base? boxes of light beige color. If you are nostalgic for the old days, cases of computers, Computer Geek is still for sale in this style, KG-200. But now, cases of styles, from mild to wild, and a color rainbow. Some have large windows on the side panel to view the inside of the case, which include special lighting effects, and some leather that could scare children. At this stage, there seems to be some restrictions on the design, but there are still cases of updated classic style of colors for those who want something modern, but nothing is too intense. 7. Power Supply are often sold with a power included, but food May not be suitable for the system to be installed in it. An adequate supply of energy should be chosen to meet the requirements of the system, and this means much in May an additional purchase of energy supplies to replace, or choose another question of a more appropriate size of energy supply. For example, some decide their May high-end gaming system would go far in this case ATX black, but it included 300W power supply can not be strong enough for world-class graphics card, multiple hard disks, cooling water, and other power-hungry devices can be installed. Conclusion There are many factors that go into choosing a suitable case for a computer system, including the seven mentioned above. What we have until the end of May that the most important factor was not discussed, but you can expect to be treated by balancing the importance of these factors? prices. Computer cases can cost a few U.S. dollars to several hundred dollars, which means a tight budget, you can decide which of the other is all that really matters. Jason Kohrs http://www.geeks.com team Geek http://www.geeks.com/pix/techtips.htm technology tips and advice http://www.geeks.com/pix/techtips.htm team

Buying Cheap Refurbished Laptops

When comparing the laptop models refurbished to ask these specifications: CPU: CPU or processor is the heart of the computer. The software you want in most laptops refurbished, the most powerful processor should be. A 32-bit processor is less powerful and less expensive than 64-bit processor. Operating system: The operating system or OS, is the graphic interface between you and what programs are running. Windows and Unix are the two main families of operating systems. Windows is the most common interface, and therefore less expensive. Screen size: Small does not necessarily cheaper, and some smaller models are as powerful as some larger models but more portable. The size of your hard disk: hard disk, or HD, is the permanent information storage disk inside the device. HD capacity is measured in gigabytes. One GB is one billion bytes. A byte is a piece of information, such as text, sound or image. The largest is the HD, the more software that can handle more expensive and the laptop will be. Hard Drive Speed: HD speed is measured in RPM? usually 5.000 to 15,000 RPM. The faster the HD, the best and most expensive laptop will be. Random Access Memory: RAM storage chip continually updates information while using the computer. Today, 64 MB is the entry-level size, suitable for running many programs at once. The largest storage capacity of memory, the most powerful and it is expensive. Media Bay: The media bay contains the slots to play CDs and DVDs. Older laptops that does CD, while new laptops, you can read the CD and / or DVD. There are more features in check by the media, the more you can do with your laptop, and rather than consumption. Modem: Modems can take the form of dial-up telephone modem, or fast cable connection or direct satellite modems. The faster your type of modem, the easier will be able to surf the Web and more costly your laptop will be. The price will be affected by all these specifications, with additional features, how well preserved the chassis, ie the manufacturer's name, and if you buy the laptop from the factory or through d a private concessionaire. Private dealers charge less, but beware: not all retailers are on an equal footing with the renewal of their abilities. Make sure you go to that reputable and experienced. Laptop http://www.i-refurbishedlaptops.com refurbished provides detailed information on quality, refurbished laptops cheap by manufacturers such as Dell, IBM, HP and Toshiba, as well as laptops Refurbished batteries and related products. Some computers are refurbished sister site http://www.e-rackmountcomputer.com Info Rack Mount Computers Web.

Video Cards: Is AGP Dead?

If you are looking to upgrade your video card you have heard a lot about PCI Express and SLI. Do not go buy a new computer and still have AGP motherboard just thrown in the trash. The truth is that you can probably make some simple improvements to his current team for a couple of years in the party. Of course, if you have a slow processor and / or less than an 8x AGP motherboard, you need to do more than upgrade the video card. But in most cases, teams are only a few years and really have a lot of processing power. The three things that we see his memory, motherboard and graphics cards. To make the most of the last games you want to have at least 1 GB of RAM. It's very simple, update only takes a few minutes. For more information on how to improve memory, you can go on my site. Secondly, ensure that your AGP slot on the motherboard is currently 8x. If the motherboard and memory to meet those standards you are hell. A new video card is likely to float at least a year, probably two, if you get a top of the card online. The thing to remember is that PCI Express is the latest technology and not as widespread as it is AGP. Game companies make as much money as possible each game. For this reason, it is a matter of playing games with the broadest range of platforms. When you think about it, it is easy to see how the AGP will be useful for a long time. For more information on AGP cards of the visit http://gaming-computers.net/productreviews_graphicscards.html video card review section of my site. If your motherboard is not at par or processor is exceeded, it is time for an update. If you are a do-it-yourself that I am, you should seek to strengthen his own team. It is not as difficult as it seems May, and can save you a lot of money. Nathan Holsinger is the publisher of the game-http: / / games computers.net Computers.net a website on building and upgrading computers.

Testing Diode -The Accurate Way on How to Test Semiconductor Diode Using Multimeter

Diodes test is different from a test of strength because you need the ability to do so. If you do not know if a test diode can not repair the equipment. A bad diode that I think is a good thing. This will certainly lose valuable time. A rectifier diode can fail in one of four ways. Can be:-Open-

short-Leaky-
during the collapse in full operating voltage of an analog multimeter or digital multimeter can be used to verify if all the first three conditions with the exception of where the last diode breakdown in full operating voltage. From my experience in the repair of the line of electronics, I found that checking diode using analog multimeter is more accurate than using a digital multimeter. I could explain why I preferred analog meter. I do not know about you, because I find a good number of diodes where it checked ok using digital multimeter, but not when tested with analog gauges. The first step on the way to test a diode is to remove one of Diodes lead. You ca not always be certain if a diode is good or bad if it happens in the test circuit because of back circuits through other components. To be sure, will promise, or connect an LED driver circuit to avoid back circuits. Unless you are sure that the Committee expected. Sometimes I found Diodes poor while registering on board. His experience will tell you when to check a diode on the board or off board. If you're new to the repair of electronics, I recommend you check a diode with a lead removed from the board. I put my analog meter to x1 ohms to verify the diode current and reverse the headlong rush into the tests. Connect the black investigation on the counter to the cathode and red probe to the anode, the diode is reverse biased and should be something like a reading. Connect the red survey on the counter to the cathode and black probe to the anode, the diode is biased and before the meter should read a value of the resistance. If you have two polls more than likely that the diode is short-circuit or leak and must be replaced. If you do not receive any reading either forward or reverse bias, the diode is considered open. The real problem when checking a diode using diodes based on a digital counter that is open or leaky diode, the meter sometimes reads ok (0.6). The reason is that digital Dies meter test output voltage (which can measure the output of the probe test with a different measure) is about 500mV to 2v. An analog meter to x1 ohms have on production 3V (remember the two 1.5V battery has been installed on the counter). The voltage of 3V is sufficient to show that the exact interpretation of a diode when it is put to the test. Even if you have a good reading on x1 ohms does not mean that the diode is good. Now you must configure your accountant x10K to test the diode again. The output voltage of x10k ohms is about 12V (remember 9V battery in your player 1,5-1.5 V v 9 v = 12V). ATTER diode test should show a single reading. This is an exception to the Schottky diode with two polls, but not short-reading. If the meter showed one reading then diode under test is good. If you have two polls more likely that the diode is either short circuit or leak. The digital meter on no evidence, because the exit of the subway is only 500mV at 2V. If a diode breakdown when the full operating voltage, there is no way of testing diode (unless you have a very expensive diode checker to find this type of problem). Replace with a diode work is often the only way to prove that an intermittent diode is causing a particular problem. Sometimes an intermittent injection diode can find with a cooling spray. Caution: Make sure the power is cut off from any circuit before performing any of the following diode control, otherwise meter or circuit could cause damage. In conclusion, to get the right test diode function, you must set the analog meter x1 ohms and x10K ohm range. Jestin Yong is an electronic workshop and a writer. For more information on the repair of electronics, visit their website at http: / / www.noahtec.com / electronic-repair-articles.htm http://www.noahtec.com/electronic-repair Articles. htm

To Upgrade or Not?

To upgrade or not? That is the question. At least since the launch of the new Athlon 64 FX-57, which is the question I thought. Although the FX-55, (I lead) was everything I had hoped it would be, is the new FX-57 so much better? Well, let's take a look. The Athlon 64 FX-57 has a higher clock speed of 200 MHz to 2.8 GHz compared to 2.6 GHz in the FX-55. AMD does not stop there, but added a few extras to improve performance. The chip core is based on a revised version of the K8 core code-named San Diego (1 MB L2 cache), which provides the size of the chip die at 90 nm to 130 nm. This is possible through the construction of the chip, AMD latest SOI (silicon and insulator) technology. The FX-57 has a better memory controller, making it more flexible in terms of allowing you to use different sizes in the same channel DIMM. Thus, the FX-57 soon? It is quick shout, but there is enough improvement to justify an upgrade? So it depends a bit on you. If you must have the latest processor and this is for you. With $ 1000 + price, I would be prepared to say that the Athlon 64 FX-57 is a bit too expensive for most users, or to include the fans (myself included). Especially if you spent $ 800 - $ 900 in an FX-55 only six months ago that I did. Another factor to consider is the future of processors. With a change in the industry dual-core processors as Athlon 64 X2, Athlon 64 FX-57 AMD May will be the last installment in the single processor market. Now, however, the FX-57-yet made (as of Thursday), even the fastest dual-processor heart, the Athlon 64 X2 4800 +. This is because most games are not built to take advantage of a dual processor heart, not yet anyway. So for now, FX-57 processor is the fastest games on the market. Nicholas Spriggs is the author and creator of the computer to guide and is dedicated to the most accurate on computers and all things related
http://www.desktop-computer http: /-guide.com / Www.desktop computer-guide.com - Your guide to computers

A Guide to Refurbished Laptops

Computing freedom, independence, mobility and should not come with a high price. Manufacturers refurbish laptop computers that were returned. The May have a computer screen scratches and other minor errors. In some cases, the laptop was unwanted gift or its packaging was dented. The laptop is inspected by the manufacturer, quality testing, and packaged for sale at a price which is much lower. While many new laptops can cost thousands of dollars, most laptops refurbished generally cost less than a couple of large, and often less than $ 500. In most cases, as new and has a very low return on investment. Even come with guarantees, as you can expect a new model. A laptop refurbished can satisfy most people for basic needs, such as word processing, software running, reading e-mail, creating spreadsheets, playing CDs , Surf the Internet, and much more. Portable, you can access all these functions from anywhere. All manufacturers provide laptops refurbished laptops, including popular brands such as Dell, IBM, Toshiba and HP. Computer prices are affected by the type of processor operating system, modem, Ethernet, and the size of the hard disk and RAM (Random Access Memory), and if there is a CD / DVD-ROM / RW, a video card, sound card, and ZIP. Prices are also affected by screen size and type of support. The price will be affected by all these specifications, and how well preserved the chassis, ie the manufacturer's name, and if you buy the laptop from the factory or through a dealer private. Private dealers charge less, but beware: not all retailers are on an equal footing with the renewal of their abilities. Make sure you go to that reputable and experienced. Laptop http://www.i-refurbishedlaptops.com refurbished provides detailed information on quality and cheap laptops refurbished by manufacturers such as Dell, IBM, HP and Toshiba, as well as laptops Refurbished batteries and related products. Some computers are refurbished sister site http://www.e-rackmountcomputer.com Info Rack Mount Computers Web.