The Motherboard Explained
December 15, 2008 by Herbert Reich · Comments
download 10 000 bc free If you talk about computers, you end up talking about motherboards. Just what is a motherboard? What does “Advanced TCA” mean? What do various motherboards do for your computer? Here are some of the answers to those questions to help you learn more about computers in general and make the best choices when you buy your next one. At its simplest, a motherboard is the central printed circuit board used in many different complex electronic systems, of which personal computers are only one. Motherboards may be called the system board or mainboard, as well. In Apple computers, this part is referred to as the logic board.
However, most of the motherboards made for computers today are made for IBM-compatible computers, since they make up about ninety percent of computer sales around the world. Motherboards provide the electrical connections that other components use to communicate with one another, just like a backplane. However, they also host many subsystems and devices, as well as the computer’s CPU. The average desktop computer has the main memory, processor, graphics and sound cards, and other important components placed on the motherboard. Some components, like peripheral devices and external storage, as well as some sound and graphics cards, are plugged into the motherboard, rather than being integrated into it.
One important part of motherboards is the chipset used to support the microprocessor, which provides the interfaces that support the buses, CPU, and external components. This chipset helps determine what the motherboard is capable of doing. A modern motherboard will include a minimum of a slot or socket to install 
the processor into, slots for memory installation, a chipset that acts as an interface between the main memory, front side bus, and peripheral buses, a clock generator, nonvolatile memory chips, firmware, expansion slots and power connectors. However, many motherboards include a lot more than this, since there are many more demands being made on them all the time.
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All worthwhile, motherboards include connectors for ordinary input devices like USB and PS/2 connectors, parallel connectors, or FireWire connectors. While early computers used only minimal peripheral support, modern computers use a lot of plug in devices, resulting in more connectors and different types of connectors. Heatsinks and fan mounting points are also included, since modern computers produce a quantity of heat that is detrimental to their functioning. It’s important to keep electronics cool at all times, so that they’ll function at their best capacity.
There are several motherboard specifications that depend on the applications they are used for. The ATX format is the most common for computers, with smaller versions of the standard also being produced. Other devices may use other standards, including Advanced TCA or ATCA, which is the new standard for telecom applications. It combines the features offered by proprietary architectures and the Compact PCI standard with high packing density, as well as serviceability, availability and reliability. Phones, PDAs and other electronic devices may have their own unique motherboards.
If you’re in the market for powerful Advanced TCA motherboards, make sure you buy from a respected Advanced TCA manufacturer.
The Laptop Revolution
December 8, 2008 by Herbert Reich · Comments
Our ever busy, ever transient society needs to be able to receive access to their computerized world at a moment’s notice. Traveling from place to place, meeting-to-meeting doesn’t allow you time to stop and sit at your desk to use your computer. People would much rather be able to take the computer with them. Laptop computers allow you to do just that.
secret lives of second wives the movie download Computer manufacturers saw the need for laptops when people who always travel lost interest in desktop computers. The first portable computer, Osborne 1, was introduced by the Osborne Computer Corporation in 1981. It can be brought anywhere because it only weighed 24.5 lbs. and its CRT screen is only 5 inches wide. However, it had to be plugged into a 110 VAC outlet for power. After the success of the Osborne 1, Epson also developed a new version of portable computer which is the HX-20. Everything for a real portable computer is included in this model; a full sized keyboard, LCD screen, built-in printer, built-in rechargeable batteries, storage device, and it only weighed 3.5 lbs. In 1982, the first commercial laptop computer was introduced by the Grid Systems Corporation. Compass 1100 was the first laptop with a clamshell design and intentionally designed for military operations.
Laptop computers became in demand in different fields of business and technological world. Innovative computer manufacturers such as IBM, Lenovo, Compaq, Toshiba, Hewlett-Packard and Apple competently designed laptops with different features and functionalities for different needs of customers. Changes were made for some hardware including the built-in keyboard from a regular typewriter keyboard, a touchpad, and ThinkPad which is for handwriting recognition. Laptops do not need CPUs because of the micro processors inside; they were designed specifically for low power usage.
As laptops continue to advance, batteries for laptops can run for several hours without being recharged constantly because of their low power usage. Even the monitor was changed; the LCD screens display millions of true colors but do not require high electricity power, unlike the old CRT screen. New models of laptops already have removable CD/DVD drive and built-in card readers for digital cameras and cellular phones. The system software for some laptops like Mac and Linux may not be compatible with other systems.
Different kinds of high-end laptops and notebooks now exist and presented in large computer shops. Some of these are the MacBook Pro, Sony VAIO CI – a 2.5 lbs. subnotebook, and ASUS Eee PC. All laptops are deigned with features and abilities that can be upgradeable to higher memory for full functionality.
The market for laptop computers started off as a small position in the over scheme of things and rapidly grew into a market where most people own the little guys. If you have no one place that you spend your time, you are only on the go, then a laptop would be the perfect solution to you.
If you’re in the market for laptop computers, make sure you do your research and buy from a reputable laptop manufacturer.
The Innovative Twist of Dell
November 11, 2008 by Herbert Reich · Comments
Dell first came onto the computer scene offering an innovative twist on the usual method of selling PCs. Instead of selling only out of the box PCs, like most manufacturers, Dell built its computers to order. One of the most popular was a desktop PC, the Dell Dimension. Unlike some previous models, it was specifically targeted to the home PC market. In the middle of 1997, the Dimension was replaced by the Dell Inspiron series. Its incarnations so far include the Dell Inspiron 530, 530s, 531 and 531s. The s after the name denotes that this computer model is a “slim” style, and has a small footprint ideal for computer setups in a relatively limited amount of space.
You can build these affordably priced computers to your preferences and needs, from operating system to processor. Dell plans to include Windows XP as an option on its computers until 2010, along with the current Vista OS. Also customizable are the motherboard, graphics card, hard drive, and installed software options from Microsoft Office to Quicken. These mid-range price and performance computers are built mostly for home users, rather than the higher priced models meant for business users. While those who need the performance, higher end options are available, the Dell Inspiron offers just about everything needed by the average home user and is reasonably priced enough to be easy on the budget.
Slim design Dell Inspiron models aren’t always able to incorporate all the features of full sized models. Graphics cards in these computers, for instance, are half the size of those used in a full sized model. 
However, these slim computers are able to incorporate most of the basic PC functions at full capacity, just like their large cousins. Since you’ll go through a detailed questionnaire as part of your computer buying experience, it’s easy to see which functions can and can’t be included with a given model. If you’re going to lose an important function with the slim design, you’ll quickly be able to see that and choose the full sized model instead.
Dell Inspiron desktops are known for being remarkably problem free. Some notebooks produced by Dell have had a tendency to overheat or shutdown suddenly. This is because of a design flaw that made solder between motherboard and chip break easily. This doesn’t happen with the desk tops, and these computers are generally sturdier and less easily broken than laptops.
Newer versions of Dell Inspiron (530, 530s, 531 and 531s) are also much quieter than previous computers. In fact, their fans operate at barely audible levels so that noise is almost nonexistent. This has not been true of previous computer models (including Dell’s), where fan and even hard drive noise was troublesome enough to be distracting to users. For an affordable computer that can’t be beat for the price, try a Dell Inspiron desktop computer. Its plug-and-play features also make setup very easy, so that even the most novice users should be up and running in no time.
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If you are interested in buying a powerful new Dell Inspiron, make sure you purchase from a reputable Dell Inspiron vendor.
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Information Security in the Digital Age
November 5, 2008 by Herbert Reich · Comments
Information security has been getting an increased amount of attention lately. This term refers to protecting information systems and the data they contain from use, damage and disclosure by unauthorized people. Other terms you might see used for this behavior are digital security, computer security and information assurance. All of these fields have the common goal of protecting information availability, confidentiality and integrity. Since many bodies have amassed a lot of confidential information about products, employees, research, customers and other subjects, information security is important. Institutions as variable as private business, government bodies, corporations and the military all need to make use of this important means of protection.
The information security field has grown significantly in the past few years, and there are many different ways for people interested in this field to enter it. Self study is still common, though focused training camps and formal schooling are becoming much more wide spread. It’s even possible to get into information security careers through online programs. There are many different specializations available, including security testing, auditing information systems, securing databases and applications, network security, digital forensics and many others.
There are even professional disciplines for this growing and useful field. The Information Networking Institute at Carnegie Mellon University is dedicated to information security, computer security and information assurance, and there are a number of professional organizations out there. Experienced personnel in penetration testing, digital forensics investigation, and network security auditing have become much more in demand than in the past. The increased demand has fueled the existence of a number of different specialty companies, providing much needed services. Security consultants are also common.
Every day, we put our personal information at risk. Whether we’re signing up for a newsletter online, receiving treatment at a hospital, or making a transfer at a bank, these activities all involve the transmission of information that could be a problem if it fell into the wrong hands. That’s what digital security is so important – it’s vital to most of our everyday transactions. New methods are found every day to breach security, and new methods are constantly being developed. There are various ways to authenticate, encrypt, and otherwise protect important information being handled by organizations, and new ones are being added all the time.
Much of this important information is now stored, collected and processed on computers. It’s also transmitted across networks, putting it in jeopardy more often. If financial information about the finances or customers of a business falls into a competitor’s hands or those of a criminal, a lot of damage could be done. Law suits, lost business, and even bankruptcy could be a result of failed informational security. That’s because protecting the confidential information of clients and others is a legal, ethical and business requirement. Information security can have a big effect on personal privacy, too.
, make sure you contact a respected digital security provider today
Using Online File Storage
November 3, 2008 by Herbert Reich · Comments
If you look online you will find a lot of companies that offer online file storage. You will have to pay a specified amount in order to load your files onto their site. It is a good way for developers to share their programs with other interested users on the internet. Anyone who would like to try the program can download it and try it out. Some even allow users to modify the program in order to help in its development and work out any bugs it may have.
Another use for online file storage is by individual users. Let’s say that you had some very important files on 
your computer. The files housed some secret information that you didn’t want to ever be seen by someone else. You knew that if your computer was destroyed or malfunctioned, you could lose the files forever. This would be catastrophic for your business or for you personally. One option that you now have is the use of online storage. You can backup these files through a secure network. No one else will be able to access the files except you.
Your files will be safer if you store them online, that way when your computer goes down they will be there waiting. You can access them if you need to and when you get your pc straightened out or get a new one, you can just go to the site and get all your files back with ease. This is better than using compact disks for instance as they only have a limited shelf life and you may find they will not read when the time comes to retrieve your files. You will probably be charged according to the space your files will occupy on their server. The more files you have and the bigger they are, the more it will cost you to store them. You may also be charged for bandwidth you use which will depend on how many times you files are downloaded.
They have to charge you a fee otherwise they could not continue to provide this service as they have to pay extra fees for more storage and bandwidth use. Some websites will have the necessary tools for you to use their services. Other companies may not have these tools on their site so you may have to use additional software. You can easily learn to use this type of software, but if you have any problems, the site will give you plenty of help to solve whatever problem you may have. Online file storage can save you a lot of trouble. If you have files you need to put in a safe place, look into using online storage.
All About Advanced Mezzanine Cards
November 2, 2008 by Herbert Reich · Comments
An Advanced MC is the core of the system. Intermediate revisions of the specification are called ECNs or 
engineering change notices. They include R1.0, which was adopted in January 2005, ECN-001, adopted in June of 2006, and R2.0, adopted in November 2006. Advanced MC cards can use a number of AMC specifications, include PCI Express and PCI Express Advanced Switching (AMC.1), Gigabit Ethernet and XAUI (AMC.2), Storage (AMC.3) and Serial RapidIO (AMC.4). Advanced MC cards can also use proprietary signaling based in LVDS.
Six different types of Advanced MC cards are available. Full sized modules are the most commonly seen, allowing components up to twenty-three and a quarter millimeters high. Mid sized modules allow component heights from a little over eleven and a half millimeters to a little more than fourteen millimeters, depending on the location of the board. Compact modules permit a height of only a little more then eight millimeters. To hold a single full sized module or two compact sized modules, a special carrier card is required. This card is called a cutaway or hybrid carrier.
The number of filled slots on a given board will determine the height of a MC card. Double width cards allow more space for components, but they don’t offer increased bandwidth or power, since a single connector is still used. The Advanced MC connector has a relatively complex pinout, using up to one hundred seventy traces in four different lengths. This allows hot swapping, provided it’s known in advance in which order traces will become active. Cards may require traces on one side only, which reduces the cost for mass production. Using only half of the available pin locations, combined with the various height options, results in four different types of connectors are available on a carrier card.
Advanced MC cards are capable of being the only requirement for processing functionality. Because of this, the MicroTCA standard was developed, aimed at supplying a chassis that would let these cards work without a carrier card. Multiple companies have launched products since the July 2006 approval date of this standard. Advanced MC has offered a great deal of flexibility and technological advancement in the communications field. There are more options for manufacturers than ever before, given the versatility of this specification.
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