System of Connections Between Nodes

System of Connections Between Nodes (Computers)


Peer to peer

Peer meaning co-worker. Peer-to-peer network is a computer network consisting of several computers, connected directly with crossover cable or wireless or even with the intermediary hub / switch.
Computers on peer to peer networks are usually numbered slightly with 1-2 printer. For specific use, such as computer labs, research and a few other things, the model is peer to peer connection could be developed for more than 10 to 100 computers.


Peer to peer is a model in which each PC can use the resource on another PC or give them resources to use another PC, No act as servers that manage the communication system and the use of computer resources contained in the network, in other words, each computer can functioning as a client and server in the same period.


For example there are several computers in one department, was named group in accordance with the relevant departments. Each computer assigned an IP address from the same IP class for sharing with each other to exchange data or resources owned by each computer, such as printers, CD room, files and others.


Client - Server

Client Server is a network model that uses one or more computers as servers that provide its resources to other computers (clients) in the network, the server will manage resource access mechanisms may be used, as well as the communication mechanism between nodes in the network.


In addition to the local network, this system can also be applied to Internet technologies. Where there is a unit of a computer) to function as a server that only provides services to other computers, and clients who also just ask for service from the server. Access is done transparently from the client by first logging into the server in question.


Client can only use the resources provided by the server in accordance with authority granted by the administrator. Applications that run on the client side, it could be a resource that is available on the server. but can only be run after connecting to the server. In the implementation of software applications that are installed client side is different from that used on the server.

COMPUTER NETWORK

Understanding Computer Networks

Computer networks are the "interconnection" between two or more autonomous computers, which connect with the media transmission without cables or wires (wireless).

Autonomous is when a computer does not control the other computers with full access, so it can make another computer, restart, shutdows, loss or damage system files.

In another autonomous networking definition described as an independent network with its own management system (have the admin itself), has a network topology, hardware and software itself, and connected with another autonomous network. (Internet is an example of a collection of autonomous networks is very large.)

Two computer unit is said to be connected if they can exchange data / information, sharing resources owned, such as files, printers, storage media (hard drives, floppy disks, cd-rom, flash disks, etc.). The data in the form of text, audio and video, moving through a cable or wireless media (wireless) to enable computer users in computer networks can exchange files / data, print on the same printer and use the hardware / software that connect the network together

Each computer, printer or peripherals that are connected in a network called a "node". A computer network comprising at least two computer units or more, can be of some tens of computers, thousands or even millions of nodes that are connected to each other.

INTERNET PROVIDER

Cheap Internet Provider Tips

So you plan to install a cheap internet cable in your place, do you know how to acquire a reliable provider? Do you know exactly how to choose one that would provide you fast net connection without paying too much? Read this article and find out more about it.

Since there are tons of cable internet providers around the net today, choosing for the right one can be quite complicated. So I gathered some of the tips to help you get the best one.

Here are the cheap internet provider tips that just might help you choose for the right one.

Tip #1: Primarily, here is an amazing but very straightforward breakdown of ordinary ISPs. SBC/Yahoo, AOL, and Comcast are the most horrible ISPs in the account of the net. Don't even believe them as an alternative. Cox is pretty dreadful also in addition to MSN. Earthlink is average but merely prefer them if it's the lone alternative. Verizon is pretty superior although has all kinds of different concerns to work out.

Tip #2: Velocity and cost are the 2 huge assessment things you must consider. So let's chat concerning precise velocity. Normally DSL packages are moreover 1.5 megabits per second or also known as mbps or half that at 768kbps. At the outset, it's never outlay effectual to obtain the 768 package. It's typically only a small number of dollars less but that velocity is too sluggish for the largest part of internet use even on a distinct PC. If you're studying towards DSL, TDS is the only straight DSL ISP I make out of.

Tip #3: The entire the ISPs planned beforehand ought to have a position on their official site where you can set in your own add and it will inform you if they present examination where you reside. Nevertheless as a substitute of going to each distinct ISP's official website and inspecting, it's better to constricted it down first. You have to make your mind up on what type of link you want. As a general rule, DSL sometimes do not work well and you there are also times you never get even near to the velocity they speak about their services. But the majority of DSL speeds are straight enough to make sure your e-mail and surfing the web are both working well.

Take these tips and you will surely get the best provider around the net today.

COMPUTER REPAIRS

Where to get Computer Equipment Repairs

Getting a computer repaired may be a strenuous task at the best of times. With all your files, picture and music normally stored on the machine the thought of  losing all your personal files is sometimes daunting. It may be tricky but the key here is to select the right company to restore your files. They must be able to restore everything and get it running again without erasing all the files stored.

The very important question now is where  to get a repair.

The answer is easy when the computer is branded and it has a nearby service center. Services center make the best option when providing repairs. Their repairman is usually trained to troubleshoot their products. For example, apple has service centers to assist and provide repairs for users of their products. They have great experience in handling repair for Apple Computers as they have undergone training specifically for their line of products. They best part about this is that when the product is still under warranty, the repair fee can be waived. They can repair the computer without any charges.

However, if not under warranty, the problem comes in as the repair fees for the service centers can be a bit expensive. Most of the time, you could expect to pay a " looking at " fee, just to tell you that you have a problem. an even bigger problem lies when there is no service center nearby. The only solution left is to find a computer service provider that can repair the computer that will help restore it to its working condition.

There are a lot of listings and postings out there offering computer equipment repairs. The problem is that there's actually no way to know if the service company can deliver good results - not until he/she is hired and the project is completed. You want to be picky when it comes to finding the right person you trust to get you online again.

Luckily, there is a way to lessen the risk. There is a website that provides a comprehensive database of tradesmen/service companies that can perform a variety of tasks---even computer equipment repairs.

Basically, it's about creating a listing, which in turn gets sent out to all the relevant matching companies on the database. Companies that feel they can help get back to you with a quote - and you can see what other people, who have used them, think of them. Now it does not completely eliminate the risk, but at least you get an idea of what past customers have to say about the company you are about to trust with your pride and joy.