Tag: World Wide Web

The world has been completely changed by the advent of personal computers. This is because they have radically transformed the way the world lives, works and conducts business. Computers actually arrived on the scene back in the 1930s and were the brainchild of one Konrad Zuse who produced what was then called the Z1 computer. While this was a giant innovation, this was far from the sophisticated machines that we have today.
That computer laid the groundwork for further research by others. In 1944, two men named John Atanasoff and Clifford Berry from Iowa University produced several innovations of the computer based on Zuse’s model. It was capable of producing simple to moderately complex arithmetic calculations and small but simple computing tasks.
Harvard University, then took it a notch higher and partnered with IBM, the business conglomerate in 1953 to produce what was then the world’s first sophisticated computer. Even then, computers were still gigantic and occupied huge spaces and used a lot of power.
The world as we know it today has been completely changed by computers. They now sit in almost every office space in most major cities of the world. It is hard to imagine business as we know it today without computers. Work would be grossly inefficient and cumbersome. Take for example calculations. It would not be possible for companies which hold a lot of material and inventory to process orders efficiently without computer power.
Computers have also made a giant impact in the field of communication. With the advent of the Internet, the World Wide Web or Information Superhighway, the world has become smaller and has even been referred to as a global village. Phrases such as “global market place” have also been coined to signify how computers have been able to link the world.
We mentioned communications and how computers have made a giant impact in this realm. Messages can now be sent and received via email instantaneously from one end of the globe to the other. This has almost rendered the regular snail mail obsolete. Then there are chat rooms, Instant Messaging and Video Messaging which have transformed the way people meet and interact across the globe.
All this has been made possible by computers connected to the Internet via wireless and wired networks. Large firms such as Microsoft, Yahoo and Google have contributed to this by running sophisticated web applications that have made it possible to chat in real time with someone on the other side of the globe. This has completely changed the way we conduct meetings and even run classrooms and training.
Businesses have benefitted tremendously owing to the advent computers. Companies can even open virtual branches in other countries without necessarily being there physically. Banks can even run on the Internet without possessing actual premises. Such has been the impact of computers to modern life. Sometimes they also have their own disadvantages in that some people accuse them of causing some to be thoroughly anti-social. It is also easy for some to develop multiple identities online to mask their true selves.

It’s probably safe to say that modern business is dependent on electronic communication and computer communication. Ask any person who works in a corporate environment how many e-mails they receive and send in a day or how many times they need to print a document, and the number you will hear will probably be quite large. Thus, one essential thing to have in any modern office is a reliable computer network. A computer network is a group of computers and machines that are linked together through one of a variety of different methods in order to share, transfer, and communicate information.

A computer network typically includes computers, printers, and fax machines, but they can also include any type of machine or device that’s linked in. A slow and unreliable computer network means that the computers and machines cannot communicate, which means that people can’t communicate with each other, which directly translates to poorer work productivity, not to mention frustration and annoyance.

But before you know how to find a reliable computer network or how to improve your existing one, it’s helpful to know about the many different types of networks and their capabilities:

Local Area Network

One type of network is called a LAN (Local Area Network). A LAN is one of the major two types of computer networks and is most likely found in homes or small offices as it covers smaller physical areas than other types of networks. It’s a computer network that typically connects computers to word processors and other office equipment. Although a LAN covers only a limited area, it can connect a large number of computers and electronic equipment. For instance, schools and airports are two types of large, centrally-located organizations that often use a LAN. And the fact that it covers a specific, small geographic area means that the network doesn’t require leased telecommunication lines. Perhaps the most crucial defining characteristic of a LAN is its high data transfer rates. Because the network is serving a limited area, data can move from device to device much more quickly.

Wide Area Network

Essentially the opposite of a local area network is a WAN (Wide Area Network). This type of network is the second major type of computer networks available, and unlike a LAN, a WAN covers a wide geographic area. Whether you need to connect computers across the country or across the globe, a WAN is a good solution. As opposed to a LAN, a WAN is not confined to a network within a specific building. And the most popular type of wide area networks is the Internet. And both the LAN and WAN come with wireless options, meaning that computers and other machines can be connected without using cables.

Internetwork

Internetwork is another category of computer networks that overlaps with both land area networks and wide area networks. Basically, an internetwork uses routing technology to connect two or more different computer networks. In other words, an internetwork connects to LANs or two WANs. An internetwork connects communication between or among public, private, commercial, industrial, or governmental networks. Within the internetwork category, there are three different types of networks: intranet, extranet, and internet. The difference among these networks is dependent on who administers the network and who participates in them.

Intranet

The intranet uses something called the Internet Protocol (IP) and related tools, including web browsers and file transfer applications. Internet Protocol assures that any packet of information sent from one computer or device arrives at its destination safely and in the same condition when it was sent. IP does this by assigning a unique address, a number, to each device connected to the network. The intranet is controlled by a single administrative entity. The administration’s specific responsibility is to ensure that the network is closed to all unauthorized users and those outside the network. In most cases, the intranet is used within a single organization.

Extranet

An extranet must have at least one connection to an external network to be considered an extranet. It is a network that only services a single organization, but that usually connects to networks of trusted organizations. For instance, a business organization may allow their network to connect to a network of customers or suppliers. In other terms, the extranet is usually a network that includes extraneous connections from an intranet.

Internet

The Internet is the most popular type of internetwork that allows interconnection and intercommunication across worldwide networks. The Internet can connect a variety of different networks, including governmental, academic, public, and private networks. Most people are familiar with this internetwork, as the Internet is the underlying backbone of the World Wide Web. Although this type of internetwork is popular and can be used in businesses, it is can also be the least secure type of network, especially is an organization doesn’t have the right anti-virus software, firewalls, and other necessary precautions.
The above is a simple overview of the most common types of computer networks. There are many other types of networks that could be beneficial to a variety of different organizations. Whether you need to connect computers in a single state or need California computer networking to extend all the way to New York, there are networks designed to meet your specific needs. By knowing about the different types of computer networks, you can better know which one is right for you and your business to help enhance communication and improve efficiency and productivity.

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The internet has brought the laptop or computer age in a complete new dimension. It manufactured various nationalities and cultures closer collectively by means of interconnectivity. But getting connected with one another by way of the World Wide Web also indicates yet another issue – virus and malicious programs can uncover an effortless method to enter your laptop or computer technique too. So what ought to you do to reap the positive aspects of internet minus the downside? You’ll want to buy Kaspersky World wide web Security. This ensures that your personal computer won’t be attacked by any threat.

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