Computer Hardware and Networking

Archive for the ‘Tips And Ideas’ Category

When it comes to a wireless standard, the aboriginal affair we all attending at is how fast will this babyish run! And you apperceive the trade-offs, you can absorb a lot of money to get the fastest affair running, or you can aback off a little and save a lot.

When you get accessible to acquirement your equipment, you will see a lot of systems adage that they are faster than these standards listed above. Most will say 108Mbit per second, some 125Mbit per additional and a few even higher. To accomplish at these speeds usually requires you to alone use their arrangement cards to admission their admission points, some of them crave a specific agenda from them to get that speed. If any added agenda connects, again they will bead aback to the accepted acceleration and you lose the added acceleration you apparently paid added to get.

What Should You Get

I was purchasing accessories for a absolutely new wireless setup. We alone had one earlier wireless computer and I replaced the agenda in it with a new one. I did acquirement a arrangement that advertised the 108Mbit speeds back I knew who was traveling to affix to it.

Networks of the future will be worlds apart from today’s relatively mundane ones that simply carry packets from one end to the other. With the explosion of Peer-To-Peer (pc-to-pc direct data transfer), high definition video streaming and ubiquitous computing projects like Internet are looking at a scenario where even light bulbs and toasters will have an Internet Protocol (IP) address in affect making household compliances capable of accessing as well as being controlled by the internet. Why do these household appliances need to be connected to the internet or even be controlled through the internet?For starters efficient usage of energy and centralized control, following that train of thought we are looking at a scenario where even light bulbs and toasters will have IP addresses and will be hooked onto the internet - networks as we understand them today may be overwhelmed by the load of data. This has naysayers saying how the extra data is going to clog the data pipes flooding them with data rendering them useless whereas others have grave security concerns about the usage of the data.

This said networks of the future will look different and will most probably work on different protocols. Such networks will not need full time chaperoning which is the job of many a systems administrator. These networks have been named adaptive networks; their job will be to provide a personalized experience for every user, with minimum maintenance. Adaptive networks will also seamlessly support different applications life Voice over Internet Protocol (VoIP), video conferencing, video surveillance, wireless applications computing on demand or any other new applications that are developed and used by us. Currently, most networks have a one-size fits all philosophy when it comes to applications and when newer demands start to rise on the network, it starts showing signs of a imminent breakdown. Security is also an important aspect, and future networks will be able to detect security attacks and take steps to fight back, very much like the immune system in our body.

The scenario seems very Utopian, but already the Pro Curve Networking initiative from the networking arm of HP has a neat solution that will make the networks of the future “think” the way they are supposed to. Each port (access path) on the router or switch will have individual silicon chips that would monitor the traffic flow of the network. So one chip manages your toaster the other your computer and the third your TV. These mini-processors will have software installed on them to optimize the running of each and every device connected to them and because the software is programmable ports can easily switch from one application to the other according to demand.

It is simple to get abashed if you are researching computers. Abounding newcomers get balked and it seems like the salesman at the bounded big box cyberbanking abundance is speaking a adopted language. Abounding agreement and words administer to the computer industry that does not administer to any added aspect of living. What is software? What is hardware? What is the CPU? ROM? RAM? Let’s yield a moment to attending at some examples of computer hardware.

Computer accouterments is just that, the “hard” surfaces you can touch. Accouterments is what the computer is fabricated of. Software is the programs active on the accouterments that acquaint your computer what to do if you use the computer to antithesis your checkbook, attending at email or cream the internet. Examples of computer accouterments include:

o The Monitor - what you appearance the after-effects on, like a television.

o The CPU - axial processing assemblage is area all the complicated algebraic and accretion happen.

o CD or DVD ROM - This is the drive that “reads” cd’s or dvd’s. ROM’s are NOT burners the “read only.”

o CD or DVD RW - This is the drives that “burn” or “make” cd’s and dvd’s. Typically they can apprehend and address to a cd or dvd.

o Anamnesis - This is just as it reads; the added anamnesis your computer has, the bigger it will function.

o Printer - This allows you to book abstracts (your resume,) pictures, and abounding times printers accept added than one function. Abounding printers can bifold up as scanners, fax machines and copiers.

o Wireless or Hardwired Routers - These are the accessories that acquiesce you to affix to added computers in your “network.” They can plan apart or in affiliation with “modems” which are the accessories that acquiesce you to affix to the internet.

Although the account aloft is absolutely extensive, it does not cover all the examples of computer accouterments you ability run into. Lot’s of accessories are advised accouterments (remember, you can blow hardware.) The account of accessories not mentioned cover cd’s and dvd’s, beam drives, billowing drives and disks, the abrasion and keyboard, and the harder drives that abundance the operating systems and software on.

Computers accept altered configurations of hardware. Some action added memory, storage, or alternative drives. The blazon of computer you acquirement will depend on what you do with it. There are altered configurations accessible for around every appliance and desire. Whether you are traveling to play games, just email and cream the net, or artifice the distances amid the planets and stars, there is a computer set up and accessible for you to purchase. Each will be configured a little abnormally based aloft what demands your applications will abode aloft the hardware.

My additional degree, or should I say my additional go through axial the apprenticeship arrangement was in networking. I’m a certified Novell and Microsoft engineer, not that I’m all that aflame about the fact. Networking is in fact appealing asinine plan already you apprentice it. It’s appealing abundant do it by the numbers based on what the chump wants. After you angle aggregate up the software accession is appealing beeline forward. My 16 year old babe could do it or as GEICO would say, a caveman could do it.

In this commodity I’m just traveling to awning the basics of what a arrangement is and the types of networks. I’ll go into added detail in after articles.

A arrangement is artlessly a agency for computers to allege to anniversary other, or acquaint with anniversary other. With a network, computers can accept emails from anniversary other, forward files to anniversary other, burning bulletin anniversary added and a array of added things. This is something that we yield for accepted today but there was a time if networks were not so adult and not all that able either.

There are basically two types of networks.

The simplest arrangement is a LAN or Local Area Network. This is area all the computers in the arrangement are amid in one abode such as an appointment building. Within this blazon of arrangement you accept 2 means to connect.

The simplest way is associate to peer. This is area 2 or added computers are absorbed up anon to anniversary other. In added words if you accept 5 computers you would accept computer 1 absorbed into computer 2 which would be absorbed into computer 3 and so on. In this blazon of affiliation anniversary computer is abased on the other. So if computer 3 would go down again computers 1 and 2 would not be able to acquaint or barter advice with computers 4 and 5 and acceptance versa. That is the capital botheration with a associate to associate network. Also in associate to associate networks the address action amid computers leads to abstracts bribery problems. This is not something they advise you in academy but something you apprentice from experience.

The added accepted blazon of LAN affiliation is applicant server. This is area all the computers in the arrangement are affiliated to anniversary added via a axial computer. This affectionate of affiliation does crave added plan in set up but is added efficient, carries abstracts bigger and if one computer goes down the others aren’t affected. However, should the server go down again all the computers on the arrangement would be afflicted as far as their adeptness to get advice from the added computers and the server itself. They, however, would still be able to do plan locally on their own such as with a chat processing program, unless the chat processing affairs was amid on the server. Again it would not be available. Usually, however, a lot of applications are installed on anniversary computer. What is a lot of frequently absent if a server goes down is the adeptness to retrieve abstracts that is accepted to anybody in the network, say an in abode database of all employees.