Computer Network Basics

What is a Computer Network?
Computer networks can be interpreted as 2 or more autonomous computers that are connected to one another through network communication media, to share information, data and also existing resources.

The main purpose of a computer network is sharing resources (read: resources), where a computer can utilize the resources owned by other computers that are in the same network.
The development of computer data and network communication technology today is no longer limited to computers. Various communication technology devices that are present are currently developing in line with the development of computer technology, many of which integrate computer devices such as microprocessors, memory displays, storage, and communication technology into them even though this technology was developed for computers that we can currently use in technology computer network.

A computer network consists of:

– minimum of two computers
– network card (network interface card / NIC) on each computer
-medium connection, which connects one computer’s network card to another computer, commonly referred to as a data transmission medium, can be either wired or wireless or wireless (wireless such as radio, microwave, satellite, etc.).
– Network operating system software (NOSS) which functions to manage network systems, for example: Microsoft Windows 2000 server, Microsoft Windows NT, Novell Netware, Linux, and so on.
– interconnection equipment such as Hubs, Bridges, Switches, Routers, Gateways, if the network is formed the wider the range

• Source. This device has the duty to generate or determine the data to be transmitted; for example a telephone or personal computer.
• Transmitter. Usually, data is generated by the source system and is not directly transmitted directly in the form as the data was created. A transmitter will transform and encode the information in the form of electromagnetic signals that can be propagated on the transmission system. For example, a modem takes a bit stream from a computer and transforms it into analog signals that can be propagated on the telephone network.
• Transmission System. This can be in the form of transmission media or communication lines or a complex network that connects source and destination.
• Receiver. The receiver receives signals from the transmission system and converts them into a form recognized by the destination device. For example, a modem will receive analog signals coming from a network or transmission line and convert them into digital streams.
• Destination. Is the final goal of sending data that receives data from the receiver.

How is the Data Communicated?

The picture above is another perspective of the data communication model (figure a). To facilitate understanding, we take the example of sending electronic mail.
Suppose the input and transmitter devices are components of a personal computer (PC). A user on a PC will send a message to another user. This user will activate the electronic mail package on the PC and type messages through the keyboard (input device). The character string created will be stored in the main memory buffer. This PC is connected to a transmission medium,
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The Importance Of Learning Information Technology


Learning Information Technology in this day and age is very important, because nowadays most of them use information technology tools. Learning information technology is very beneficial, where we can use it in everything. With Information Technology we can know a lot of things that we don’t know. Technology develops very fast. One area that has a significant impact on technological developments is in the field of education.

During the three semesters, I got a lot of knowledge. began to study networks, databases to get to know the Website to operate it. Now I am getting used to information technology tools.
Now I know that everything can be done with internet networks. For example Facebook. I often use Facebook, because there I can communicate with friends, family, teachers and lecturers. In addition to communication, I can use the internet network to look for sources, and other things. Lots of people who use internet networks.


Using the internet network nowadays can be done anywhere, because there is already a hotspot, in addition to internet network hotspots can also be obtained by using a modem.
Apart from the above, I also learned about the history of computers, the internet and other things. That is very important, because besides just using it, I also have to know its history. Besides Facebook, I also learned about blogspot. Blogs are an easy way to recognize someone’s Blogger personality. In the blog I can write about what I want, because on blogs also reveal about a person’s personality.


Before creating facebook and blog, the first condition is that we must have e-mail. E-mail is very important, because by e-mail I can do many things, such as creating facebook, and many other things that use e-mail.
In addition to the internet, I can also find out about the media that are currently being used by the public. Laptops and notebooks are one example that is currently being used by many people. Laptops and notebooks are very practical, so they can be taken anywhere. Besides laptops and notebooks, the contents are complete.


Actually we have used information technology since ancient times, only the forms and methods are different, while the intent and purpose are the same. Maybe in the past it wasn’t so sophisticated, so there were limitations. Everyone must know about information technology.
The things above are some of my knowledge after learning information technology. Learning information technology is very fun and easy to understand, so I can quickly understand and immediately practice it.
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Worth Creation Of Old Expertise

old technologyIn our modern day, it is amusing – and a little frightening – how most of the youthful era don’t perceive what a Walkman or floppy disk is, or have any thought about using a fax machine. Some of our latest exhibit catalogs are on the net at We have additionally posted there an inventory of all our exhibits, along with a few of the publicity and critiques. With the world of know-how evolving further with each passing day, the longer you wait to offer sufficient gear, the extra workers morale can deplete.

A provocative re-assessment of the historical past of know-how since 1900, which eschews great-man and nice-innovation history, and appears particularly at unsung and un-glamorous technologies and improvements. Edgerton argues that the history of expertise is the historical past of what technologies individuals actually use, and how they use them – not (or not just) the historical past of whiz-bang innovations. She’s eight years old so a tool that is three or 4 years previous is pretty much as good as new to her.

Later ages will put extra concentrate on researching previous and new expertise and extra professions along these traces will probably be launched during the first and second ages of the game. However, in the event you make use of technology that may be a bit outdated, staff morale can take successful resulting in a much less focused and attentive workforce. You’ve just seen how continuing to make use of outdated technological merchandise can hamper your company’s potential. Whereas recycling your old know-how is helpful to the atmosphere, giving it to charity could be just as straightforward and environment friendly, and it might probably help different folks. When using outdated technologies, firms lack the flexibility to maintain up with competitor efforts and scale appropriately.

It is because they will typically have the ability to present better shopping for advice, higher quality assist, along with help integrating the solution along with your current expertise. Attempt an ecoATM” The corporate has nearly 900 areas where you may deposit old units and immediately get money in return, identical to a standard ATM. Advances of their design have occurred in tandem with the advances in know-how on this digital period, with many large products being redesigned and miniaturized into amazingly small sizes. A group of oldie-but-goodie technology would possibly make a worthwhile mailorder business, (send SAE to your free, printed catalogue) but until that exists, here’s a information to the best buys.… Read More

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WIRED, National Geographic, Psychology Today, Popular Mechanics And Extra

tech magazinesBanks come, go, merge and split, but our annual Safest bank scores present a constant measure of bank stability. PC and Mac magazines: For these searching for news and opinions of tech for his or her PC or Mac pc, then we offer subscriptions to magazines reminiscent of Home windows 7 Help and Advice, Mac Format, Pc Energetic, COMPUTER Format, and PC Professional.

At this time we are proud to introduce the brand new CNET Journal , available now within the United States and Canada. With magazines resembling Play, PC Gamer, PsOfficial, Gamesmaster, Official XBox and Video games TM, you will possibly be eager to spend much less time gaming and extra time reading! Knowledgeable nevertheless may have a unique search parameter whereas deciding on the LAPTOP Magazines. We’ll train you tech tips to brighten your days – and perhaps, after reading the secret to the perfectly positioned tv, you will need to redecorate your living room, too. Now, Levandowski is a central figure in a excessive-stakes lawsuit between those two tech titans that could determine the winners and losers of our driverless future. Although LAPTOP World is more of a pc know-how magazine, one can simply not overlook this journal as one of the best tech based magazines on the planet. This tech journal has several international versions although it was started within the United States.

WIRED magazine was began off in 1993 and has since then been one of many premier tech magazines in the world. The world of expertise is quick paced, but sometimes we need a little time to digest the most recent tech and computer news. Sadly, this is far from the primary time a significant news journal has treated tech leaders as follies reasonably than respectable figures. It has frequently established itself as the best tech journal on the planet time and again. The web has irrevocably modified how people eat and share news, forcing publishers to rethink the position and market fit of their magazines and newspapers. Yahoo Food is devoted to issues culinary, whereas the Tech journal crew headed by Pogue has a said mission of demystifying the world of geeky devices, services and trends. You will find several magazines on know-how that will offer you information that a common man without any diploma in technological research can perceive.

CHIP magazine is a monthly Germany based tech magazine that’s circulated all through Europe and Asia. We’re proud to have created a digital destination that helps everybody – from tech novices to lovers – stay present, discover new merchandise, and find out how they work.

Along with his laptop magazines, Mr. Bunnell launched different publications and on-line ventures that had limited success, including New Media, BioWorld, Upside Right this moment, ­ and ELDR, aimed toward getting older baby boomers. Each Tuesday we’ll ship you a compact, curated assortment of useful apps, office accessories, and tech reads. Expertise magazines: In case you’re into tech, then we’ve a variety of magazines for you to get … Read More

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Christmas Presents 2011

tech magazinesAll objects bought on Lazada are coated below the a hundred{a6333948396c60ea226bcf4d62ea2c1776162caffcbc12ef4a2c4883cd483011} Buyer Protection and/or Satisfaction Assured. We know the power of on-line photographs, slideshows, deep and trusted reviews, and broadcast-high quality Net videos. An internet version which can be immensely well-liked has been operating since a few years now. Then an upstart seeking to bring e-commerce mainstream largely by on-line book sales, Bezos’ Amazon is remaking the retail business in its own image. It is without doubt one of the main magazines that cowl every little thing that it’s good to know on pc hardware, software program and peripherals. Computer Energy User also known as CPU is one of the most popular tech magazines of right this moment and was began off within the yr 2001. The irrepressible Stanley Bing brings his all the time-entertaining perspective on tech.

Along with his computer magazines, Mr. Bunnell launched other publications and online ventures that had restricted success, including New Media, BioWorld, Upside At this time, ­ and ELDR, geared toward growing old baby boomers. Every Tuesday we’ll send you a compact, curated collection of helpful apps, office equipment, and tech reads. Technology magazines: If you’re into tech, then we’ve a wide range of magazines for you to get caught into. Here’s what we are able to say with certainty: some of the UK’s biggest expertise and video game magazines will quickly be beneath one roof. WIRED: WIRED does a mixture of science, reducing-edge tech and some political stuff but I believe its stand-out work has all the time been tech. While deciding on such magazines for beginners make sure that the explanation is given in easy language and written in a lucid method, otherwise the complexity of the language can act as a burden on you. The appliance that the COMPUTER Magazines focuses on should be described correctly.

The magazine is owned and printed by Massachusetts Institute of Know-how and is likely one of the oldest surviving tech magazines. Is South Africa’s main magazine for tech product reviews, tech information, movies, tech specs and gadgets. He will give attention to those magazines that give an in-depth understanding of the purposes other than simply the basics.

Not content material to dominate that business, Amazon is main the cost in synthetic intelligence with its Alexa software, whereas big tech companies from Netflix to Spotify have come to rely on its Amazon Web Providers cloud computing platform.

We tracked down ten of the most effective (worst?) examples of nationwide magazines that portrayed tech luminaries in a less than flattering gentle. In a world where magazines have tried to develop into accessible to each reader, this tech journal still maintains most of its sections targeted towards the seasoned science buff.… Read More

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