How To Connect Two Computers - Windows Environment

Okay so why write about it? Well because there was once a time that i needed to know how to connect two computers together and I couldn't find any articles to help me and no links on the internet that had it in detail, so this is for the people that might experience the same.

So let's begin!

Firstly you will need to know how exactly your two PC's are going to connect. So here it is. The computers will connect directly to each other therefore no hub will be needed. For those of you that don't know, a hub is just a device that connects computers in a network via UTP STRAIGHT THROUGH cables.

The reason why I wrote straight through in caps is because this is not what you will be using to connect the two computers. Instead you will be using cross over cables. You can get this from a local computer store for relatively cheap. Or if you feel like doing work then make it, its really easy. If you need any help, then a Google search on how to make crossover cables will help alot. The reason why I don't tell you how, because I'm telling you how to connect two computers not create crossovers.

Anyways that's all the requirements you'll need, just a cross over cable. (Please note; if you buying or making a cross over, make sure it's at least cat5e UTP cables.)

Now that we got that out of the way, let's get to work!

Step1

On each computer, right click on "My Computer". Click Properties and then click on the "Computer Name" tab. Where it says "Computer description:" Give each computer a description (It must not be the same). Now click on the "change" so that you can change the name of the computer and create a workgroup. In the name option give it the same name you gave it for its description and in the workgroup section type in "my first network" (REMEMBER: Names of the computers should NOT be the same, BUT Workgroup names should be EXACT the same on both)
Now once you change these, you will be asked to restart the computer, so simply click yes or ok, whatever you are prompted with.

Step 2

After the computers are rebooted you will need to setup IP addresses for each computer. This is how:

On your desktop, look for the icon named "My Network Places". Now dpouble click it to open it.

Once open look on the left to see an option "view network connections" and click on it.

Now right click on local area network and click properties.

Where it says "This connection uses the following items:"; scroll down to "Iternet Protocol (TCP/IP)", click on it and click the properties button.

Now click on "Use the following IP address" and at "IP Address" type in an IP address e.g 192.168.0.1.

Although you do the same steps for both computers you must have different IP addresses so you can make the second computers IP address 192.168.0.2

After you set the IP addresses just press the tab button and you should get a number in the subnet mask as 255.255.255.0, then press ok and wait a while and now you almost done!

Step 3

This is the easiest part; just take you cross over cable and connect to each computers network card RJ45 port. That's it you now will be able to see the computers in "My Network Places". You may start sharing files!

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Computer Appreciation For Beginners (Part 2)

In this part of the article 'Part 2', I intend to focus on the classification of computer. It is of great important to know of the classification a particular computer system belongs, as this will help in clear differentiation among them when come across.

Classification of Computer:
In this section, we give the classification of computers by the type of data they process, Purpose and Physical Size.

Classification by Data Process:

Digital Computers:
The digital computers convert all input data into binary form; process the data in binary form but the processed information is converted back to decimal form. The output from digital computers are usually discrete values. Digital computers are very accurate; examples include desk calculators, some personal computers and adding machines. Most business applications use digital computers.

Analogue Computers:
Analogue computers represent data in continuous form using physical quantities. Their accuracy depends upon the measurement made, and so not as accurate as the digital computers. These types of computers are used for scientific or engineering purposes. Examples include petrol pumps, speedometers, voltammeters and all such instruments.

Hybrid Computer:
Hybrid computers combine the best features of analogue and digital computers. Using digitizers, hybrid computers accept analogue inputs and output digital values. They are used in highly scientific environments. The hybrid has the speed of the analogue and the accuracy of the digital computers.

Classification by Purpose
Using this basis, the two major classes are explained below:

Special Purpose Computers:
These are computers designed to carry out specific tasks. They have in-built programs, which are stored in a part of the main memory called Read Only Memory (ROM). The content of this type of memory can be accessed and executed by the computer but cannot be modified by the user. Examples are computers designed for use in digital watches.

General Purpose Computers:
These are computers that are not specifically designed or built for specific jobs. They solve various kinds of problems depending on the program or software loaded into them. Their main memory is typically, Random Access Memory (RAM). Example of these type of computers are found in business, commercial and scientific environment.

Classification by Physical Size:

Microcomputer: Microcomputer is at the lowest end of the computer range in terms of speed and storage capacity. Its CPU is a microprocessor. The first microprocessors were built of 8-bit microprocessor chips. The most common application of personal computers (PC) is in this category. The PC supports a number of input and output devices. Examples of microcomputers are IBM PC, PC-AT etc.

Mini Computer: This is design to support more than one user at a time. It possesses large storage capacity and operates at a higher speed. The mini computer is used in multi-user system in which various users can work at the same time. This type of computer is generally use for processing large volume of data in an organization. They are also use as servers in Local Area Networks (LAN).

Mainframes: These types of computers are generally 32-bit microprocessors. They operate at very high speed, have very large storage capacity and can handle the workload of many users. They are generally use in centralized databases. They are also use as controlling nodes in Wide Area Networks (WAN). Examples are DEC, ICL and IBM 3000 series.

Supercomputer: They are the fastest and most expensive machines. They have high processing speed compared to other computers. They have also multiprocessing technique. One of the ways in which supercomputers are built is by interconnecting hundreds of microprocessors. Supercomputers are mainly being used for weather forecasting, biomedical research, remote sensing, aircraft design and other areas of science and technology. Examples are CRAY YMP, CRAY2, NEC SX-3, CRAY XMP and PARAM from India.

By Emmanuel Effiong

Resource information about Traveling, Car, Shopping, Computer and Finance

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Computer Support Services and Technical Support

Online computer support services are gaining in popularity because of their being cost effective as well as the ease that comes along. Technicians ensure offering customers the best support services. There are many other advantages to avail such a kind of support services.

Online computer support resources offer a safe and communicative service, targeted and designed for all kind of customers holding different interests. Talking about computer repair services, they are leading when it comes to quality. Here, customers avail the support in the most user friendly and interactive manner and don't need to get confused with the complex computer jargon. Furthermore, these services suit to everyone's budget and needs.

Computer support specialists keep interacting with customers and as they reply to technical queries and offer advice. As the horizon of computer network is expanding, there is an increase in number of computer support specialists and technical support technicians who are able to provide technical support from remote locations.

Emergence of online computer support resources have eliminated a need for technicians to travel to the customer's workplace. Indeed, customers also don't need to haul their PCs to outside repair shop. Technicians also can administer and configure networks and servers remotely. The practice has become common as it is among computer support specialists.

Computer technical support technicians can help with a range of computer problems; from simple start-up errors & device conflicts to blue screen errors & system freezing. Whatever your computer problems, avoid the headache and hassle of a faulty PC with online computer repair service.

The array of computer support services may start from simple services like computer set up & installation, computer optimization, troubleshooting computer problems, computer security, and online data back-up Support.

The best part about online computer support is its 24x7 availability which actually attracts tech savvy consumers. Always be meticulous about your choice of computer support partner. It should be based on the experience, market reputation, and service price.

K.P.Pandey is an Online Technical Support Executive for iYogi who provides detailed information on computer repair, PC Repair Services, Microsoft support, HP support, Dell support, computer optimization, online technical support, repair computer, computer help online data backup, virus removal, 24/7 Support etc.

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Computer Slowness Explained

Did you ever notice that when you first buy a computer it's lightning fast and then over time it slows down little by little until you can barely deal with it anymore? Most people think this is because they have too much data or because they have too many programs installed. Most of the time, these are not the reasons behind the slowness. This slowness can usually be attributed to spyware on your PC.

Spyware is similar to a virus but, not as destructive. Most spyware does just what it says, spy! Spyware infects your PC by you visiting websites and downloading free programs from the internet. Spyware almost never lets you know it's on your PC or installing itself. It sits there, in the background and collects information from your PC such as your browsing habits, keystrokes, personal information, and even credit card or social security numbers. Spyware then communicates back to the person or site it came from, via the internet, with all the info it collected from you. As you can see this is could be devastating not only to you but, to anyone who uses that PC. All of this "spying" eats up memory, processor time, and internet bandwidth not to mention bringing your PC to a crawl. Thankfully, programs are out there to remove this spyware and even to protect you from ever getting it in the first place.

There are free programs out there that appear to be working and may help some but, there are several problems with this type of software. First of all its a free download. Free software may have been the cause of your original infection and now your going to try and fix it by downloading more free programs? Secondly, these programs usually do get rid of some spyware and help the speed of your computer slightly but, they never seem to get it all. You can run 3-5 separate free anti-spyware programs one after the other and they will all detect spyware that the previous programs missed. Therefore, you can see obviously, these programs are not as thorough as advertised.

The way to a faster and spyware free pc is through quality products produced by reputable companies. These companies put in the time, research and development it takes to fight and remove spyware. Spyware is getting smarter everyday so the programs to remove and prevent it need to be just as smart, if not smarter. After all, what good is your PC if it barely works. For this reason, I recommend spending a little money on a quality product to protect your information and make your pc lightning fast again.

Don't become a victim by putting your personal information at risk. Protect your PC from virus and spyware infections at http://www.TopVirusSoftware.com

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Computers and Society

Like it or not, the personal computer has become an undeniably integral part of society today. Many people just simply can't get by anymore without having a computer. Whether it is for work and needed for CTP work and for prepress equipment or for gaming and recreation the computer is extremely important. There are many different types of computer out there and it's hard for many people to choose just which one is right for them. With so many brands and so many choices, the decision can certainly be hard to make. However, with a little knowledge on the subject it should be very easy for the consumer to pick out the right computer.

One popular type of computer is the Mac. Mac computers come in both laptop and desktop forms, although are probably most popular in laptop form with college students. Mac's are said to be completely virus free. Many would argue however that this is just because they are less popular, and therefore fewer people want to make viruses for them. Mac would probably not be a very good computer to start with for a person who isn't very knowledgeable because they are known as being somewhat unfriendly to users. In other words, certain things are hard to find and they just generally aren't as simple as other computers.

Another popular computer is the Dell. Dell is probably best known by some people by their commercials a few years ago which included a teenage male saying "dude, you're getting a Dell". While simple, these ads probably helped them sell a lot of computers. Dell is also ranked as one of the largest companies in the Fortune 500 and they employ over eighty thousand people worldwide, quite an impressive sum. Like Mac, Dell is available in both the laptop and desktop form. However, unlike Mac, Dell also makes a wide array of other products such as televisions, printers and servers.

Finally, another very popular kind of computer is the HP. HP stands for Hewlett-Packard, a company that was founded in Palo Alto, California in 1939. HP is also available in both the laptop and desktop forms. Recent statistics show that HP is the largest personal computer dealer in the world, the most popular with a lead in market share of 3.9% over their big rival Dell. In addition to being the world's most popular computer, HP is also the fifth biggest software maker in the world, making it a massive company and a force to be reckoned with in the computer world.

Computers are an extremely important part of the world. Without them people would not be able to email, search the internet, or be on social networking websites like Facebook. Also without computers, research would be much harder for people to do at work and school. In the old days, people had to go to the library and look up books on a topic; now all that is required is a trip to the nearest computer.

Chuck R. Stewart recently reviewed printing equipment and was impressed with the technology used today in CTP or computer to print. He was also impressed with the technology used today in prepress equipment.

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Computer Worm Infections - What Is A Computer Worm?

A computer worm infection is certainly nothing to take lightly. Just like a computer virus or trojan, computer worms can wreak havoc on a system. At their least damaging, computer worms are a nuisance, and at their worst they can leave a system completely non-functional. But, just what is a computer worm, and what makes it different from a virus or Trojan?

The short definition of a computer virus is malicious code that is usually attached to some kind of computer code that gets run by the user or a user’s application, and then spreads itself. The short definition of a computer trojan is malicious code that usually pretends to be something else. Trojans quite often open up a back door on a system after being run by the user or a user’s application. A computer worm, in contrast, does not need to be run by anyone. Computer worms by definition look for weaknesses in a system and spread themselves. There is no need for a user to run anything for a computer worm to infect their system.

This ability to spread themselves to other systems is what makes computer worms different and particularly nasty. One common way for computer worms to spread is to look for weaknesses in the services that many computers are running that most users are not even aware of. As nasty as it seems, a worm could automatically spread to your computer from some other computer anywhere on the internet. In turn, you system could then automatically start spreading the worm to other systems. This could happen without you ever knowing it is happening.

There are some rather easy steps to take to help mitigate the threat of computer worms:

Purchase and keep up to date some quality antivirus software

Always keep your computer up to date with the latest security patches

Purchase a hardware of software firewall

In my opinion, every computer attached to the internet should have quality antivirus software up to date and running at all times. Quality antivirus software is very easy to install and run. The vendors have made their software very user friendly. The firewall recommendation is also quite important. Since computer worms can spread simply by any computer connecting to yours over the internet, a properly configured firewall is what is recommended to block these incoming connection attempts. However, there is a learning curve associated with firewalls. An improperly configured firewall could very well be useless. Not to mention, some firewalls can cause difficulties with playing online games, or using services such as FTP unless you are able to get them properly configured.

I hope this has given you a bit of a better understanding on what a computer worm is. Since they can spread themselves automatically, it is no wonder they have caused billions of dollars in damage when they wreak havoc.

Anthony Cole has been involved in the IT industry for over five years. He is now expanding his expertise into the internet, including sites related to learning how to http://www.squidoo.com/Remove-Computer-Virus

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Computer Viruses - Just The Facts

Computer viruses tend to grab our attention. Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation. These viruses do not generate by themselves. They can spread to other computers and files whenever infected files are exchanged, such as attachments to an e-mail note, download, diskettes or CD. A virus may also send a web address link as an instant message to all the contacts on an infected machine. If something about your computer just isn't quite right, it might mean your computer is infected with a virus. When you share a copy of an infected file with other computer users, running the file may also infect their computers; and files from those computers may spread the infection to yet more computers.

Programmers are beginning to write viruses that change every time they get sent to another computer. Some viruses are programmed to damage the computer by damaging programs, deleting files, or reformatting the hard disk. A program called "Elk Cloner" is commonly credited with being the first computer virus to appear "in the wild" — that is, outside the single computer or lab where it was created, but that claim is false.

Nonresident viruses immediately search for other hosts that can be infected, infect these targets, and finally transfer control to the application program they infected. The virus stays active in the background and infects new hosts when those files are accessed by other programs or the operating system itself.

Antivirus software can detect nearly all types of known viruses, but it must be updated regularly to maintain effectiveness.If a virus is detected, your antivirus program will quarantine or eliminate it so that it cannot harm your computer. Some viruses try to avoid detection by killing the tasks associated with antivirus software before it can detect them. To help avoid viruses, it's essential that you keep your computer current with the latest updates and antivirus tools, stay informed about recent threats, and that you follow a few basic rules when you surf the Internet, download files, and open attachments. The company that manufactured your antivirus software will provide constant updates as they find new viruses. Norton AntiVirus and McAfee VirusScan are the two best-known antivirus programs for the Microsoft Windows operating systems.

Computer viruses have impacted a significant number of computers over the past few years. Keep in mind that not everything that goes wrong with a computer is caused by a computer virus or worm. Anti-virus products provide important tools for protecting your systems from computer viruses.

Don Roberts holds a degree of Bachelor of Science in Information Technology and Administrative Management. Currently, he has a blog on computer tips. For more information on computer viruses and other subjects you can view Don's blog at http://pccomputertips.blogspot.com

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Jobs, Gates on Their Contributions to Technology

For more tech videos, check out www.wsj.com/video. At the D: All Things Digital conference in 2007, Steve Jobs and Bill Gates discuss their relationship with each other and comment on what they think the other has contributed to the computer and technology industry. (June 2007)



http://www.youtube.com/watch?v=C8r5QDbw3-Y&hl=en

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New Technology Aims At Boosting Computer Speed

One of the fundamental things that the electronics manufacturing business is increasingly reliant on is the ever increasing speed of computer processors. This is demonstrated in the way that software companies like Microsoft and computer chip manufacturers like Intel and AMD work in tandem. For example, the new Windows Vista operating system requires some pretty high powered hardware to perform well. Many of its advanced visual elements simply won't run (they'll revert back to a more standard look that you might associate with Windows XP) if the computer that's running Vista isn't equipped with the right kinds of graphics card.

Windows Vista is also designed to take advantage of sixty four bit dual core processors too. In this case, it's pretty obvious how someone who wants to run Windows Vista might also want to run it on a more powerful computer. Thus the introduction of Windows Vista creates a demand for more powerful computer hardware. One of the ways that people are trying to increase the speed of computers is to divide the work load of the computers among several different processors. There are a bunch of examples of this in a wide variety of machines coming on the market including video gaming systems like the Xbox 360 and Sony's Play Station 3. One type of computer that really benefits from this is the server. That's because servers often have to process requests for information from several different clients at once.

The problem with having multiple processors is that information can bottleneck when traffic among the processors gets heavy. The funny thing about this problem is that there isn't a consensus among computer scientists about what causes it. Some think that the processors themselves are fast enough but that they aren't adequately connected to each other through the pins that they use to transmit information among each other. Others think that the connections are fast enough, but that the signals collide when two signals try to go to the same processor at the same time.

One new and novel approach to conquering the problem (assuming that the later problem is in fact the cause) is to use lasers to transmit the signals among all of the processors. Currently data moves through computer systems via electrical impulses. Using electrical impulses to transmit data has two problems. First they require wires for transmission, and second they can interfere which each other. Lasers get around both problems. Lasers can be transmitted directly through the air, and they can pass right through each other.

Some researchers are taking advantage of these properties of lasers by designing a multiprocessor computer that uses lasers to send signals among conventional dual processor chips from Intel. Each chip will send the same signal to every other chip at the same time, and each chip is capable of receiving a laser signal. It's up to the receiving chip to sort out which packet of data is meant for it based on a unique set of information that comes with that signal. The chip then ignores all of the other signals that aren't addressed to it.

The result of this technology should theoretically be improved analysis of things that computers aren't very good at that humans can do with ease. These things include facial recognition, but the idea is that it could be done with computer speed.

A leader in technology reporting, Julia Hall has published articles about the latest digital devices and gadgets for over ten years. After graduating from MIT with a degree in electrical engineering, Julia turned down huge salaries from some of the most recognized fortune 500 companies in the world to pursue his dream of becoming a leading consumer advocate. Julia uses her expertise to cut through the too good to be true deals offered by high tech companies to reveal the real steals and the real duds that we're bombarded with daily. If you enjoy staying on the cutting edge of technology, whether for business or pleasure, but find yourself occasionally confused by the overwhelming information out there let Julia be your guide.

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Latest Computer Technology

Do you know what is inside your computer? Maybe you peeked when the service technician was installing something for you. When you first open up the CPU and look inside, a computer is a very threatening machine. But once you know about the different parts that make up a complete computer it gets a lot easier. Today's computers consist of around eight main components; some of the advanced computers might have a few more components. What are these eight main components and what are they used for? We will start with beginner level details to get you started.

First is the Power Supply. The power supply is used to provide electricity to all of the components in your computer. It is usually a rectangular box and is usually positioned in one of the corners of the computer. To find it for sure, look to see where the power cable plugs into the back of the computer and you have found the power supply. Most power supplies today are calculated in wattage and come in 50 watt increments (500 watt, 550, 600, etc

Second is the Motherboard. All of the components are connected into the motherboard; it doesn't mean that it is the brain of the computer. Yes it holds the brain and helps it act together with all the other components of the machine.

The third and a very important component of a computer is the CPU (Central Processing Unit), Known as the brain of the computer and nothing is going to happen without it. All major calculation performed by a computer are carried out inside its CPU. It is also responsible for activating and controlling the operations of other units of the system. The faster the CPU can do these calculations and give the correct answers, the faster the computer runs for the user. CPUs are now measured in gigahertz (Ghz) and they are at present up to our 3.8GHz or faster

A fourth component is the RAM (Random Access Memory). RAM is used as momentary working storage for the computer. We have different types of RAM memory with different speed, but it should match with your motherboard so that it can work properly. The more RAM you have in your computer, the better your computer will work.

The fifth component is the Hard drive. This is where you can store everything. Our material on the hard drive includes the operating system (Windows XP, etc), games, and different types of software, etc. over the year the capacity of the hard drive is continuously improving and in the interval of few years its capacity have gone from around 20MB to over 500GB and more. So you can store a lot more information on your computer such as games, pictures, videos, applications, and more.

Sixth component is Cooling fans. Often most computers come with one cooling fan or it might have several. Its help to cool down the heat generated by others components, Such as power supply, the CPU, and some high-end video cards. The work of all of your cooling fans is to get this heat out of the case so that nothing overheats and breaks. While most of the noise you hear coming from a computer can be credited to the cooling fans, remember to be tolerant. The cooling fan is your friend!

Our Seventh and final component is the mixture of several different devices. These are the Cd-rom, DVD drives, floppy Drive and Backup devices such as external hard drive.

Latest compute processor

Latest computer processor provides high speed processing, great performance, effortless multitasking and a dramatic increase in your productivity. Get the most out of it with a new PC. Today's desktops and notebooks offer greater performance, quality and reliability than ever before. These computers have 2X faster performance, less waiting, sleek designs and keep you productive, entertained and informed. New technology gives you the performance you need in the design you desire. Lets take a look on Next Generation processor.

NEW
Dual-Core processor

Core™2 Duo Processor

Quad-Core processor

Technologyb2b introduce you with the latest buzz on new tech world. It is the right place to discover and shop tech stuff. The high tech stuff that we will cover here includes
Desktop, laptops, software and hardware products, HDTV, home theater, and gadgets like (PDAs, cell phones, digital cameras, ipod) and even tech books also. It is the place to find hottest software and hardware and coolest gadgets.

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