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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Technology News

latest technology newsTwitter has launched a brand new set of rules governing the way it goes about awarding its blue verified” badges to users and has begun stripping the accounts that violate its pointers after coming under fire final week for giving one to Jason Kessler, the white nationalist who organized the infamous Unite the Right” rally in Charlottesville, Virginia. Taiwan’s Industrial Expertise Research Institute (ITRI), one of many world’s largest high-tech analysis establishments, has introduced AI software program that may predict breakdowns in production-line tools, serving to to get rid of manufacturing unit downtime and increase human productiveness.

Zuckerberg lately mentioned he wants to get one billion people into VR. This will sound impossibly formidable, however it expresses one thing of the size required to recoup Facebook’s huge investment in the know-how. Deutsche Financial institution CEO John Cryan said the financial institution was not just thinking about competitors with other financial institutions however different sectors like know-how. Sony simply announced its latest Motion Cam, the FDR-X3000R which helps 4K video recording and optical image stabilization (OIS).

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The University of Colorado has been chosen to guide the Pac-12 Conference’s new initiative to use eye-tracking expertise to raised understand traumatic head accidents in student athletes. Matt Murphy will chair the semiconductor business’s greatest trade group in 2018, whereas Micron Know-how CEO Sanjay Mehrota serves as vice chair. Amazon’s Hearth TV is the newest in a long line of good media players aiming to be one dwelling entertainment system to rule them all. We are going to find out as we speak by pitting the newest AC5300 class routers towards one another. 4 of the 5 largest web sites on this planet – Google, Facebook, YouTube, Yahoo!, and Wikipedia – all serve IPv6 from their major web sites today. Click on the button beneath to subscribe and wait for a new Facebook message from the TC Messenger news bot.… Read More

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Time To Clear Out Outdated Technology

old technologyObtainable in a mall close to you , contemplate this the tech equivalent of Coinstar. We will all take a cue from Canadian creator Margaret Atwood about letting expertise encourage but not dictate our work, creativity, and communication. One of the crucial office-pleasant refurbishments is popping an previous iPhone right into a document scanner. Uncover eight ways to repurpose this growing older expertise and enhance your corporation’ efficiency. The collection emphasizes, however isn’t limited to, office and academic know-how.

Even whereas printing know-how was improved upon in the final 500 years, handwriting has continued for use and even became a sign of social standing. If you don’t have a car, you possibly can ring your council up and get them to collect old goods from your property – underneath the WEEE directive, they’ve to offer this service – however you is perhaps charged. Test with the waste and recycling service in your city to find out if there are any special instructions to comply with regarding the disposal of previous laptop tools. She was over the moon completely happy as that one changed the first technology iPad she had been using up until that point. Nonetheless, this strategy to innovation allows your enterprise to rely too heavily on previous know-how, which can restrict your productiveness.

We do not have to be stubborn about persevering with to make use of know-how that is not working for us. However we do have to let go of what I wish to name filler” or as a result of we will” expertise. Although students have been charged a small payment to make use of the lending library, the instructors supplied their companies fully freed from cost. This technology allows us to give you precious data and information whether or not your shipment is domestic or international. You may be stunned to know that outdated know-how will drastically have an effect on your productiveness.

Plenty of charities can discover methods to put your previous devices to good use including Cell Phones for Troopers and the Nationwide Coalition Towards Home Violence It’s a tax write-off and the charities will even cowl your delivery prices. The system loses very little power to warmth or friction as a result of it operates in a vacuum and may even use magnetic bearings to levitate the rotor. Disclaimer: You are leaving a Gizmodo Media Group, LLC web site and going to a third occasion website, which is subject to its personal privacy coverage and phrases of use.… Read More

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Web Closes In On TELEVISION As A Supply Of Information In U.S.

internet newsMass media was affected by new applied sciences much earlier than the emergence of Web know-how, like TV and radio have modified the readership habits. In keeping with the OECD, round 5{a6333948396c60ea226bcf4d62ea2c1776162caffcbc12ef4a2c4883cd483011} of all web visits are related to studying information on-line. Began deleting apps that bypass China’s internet restrictions from its local App Store. All the main newspapers of India have began their e-papers and on-line newspapers. However, many People at all ranges of society and all levels of political engagement are beginning to expertise burnout around information consumption, filtering, and sharing. Much more vital, the web has taught Americans that there really is not 24 hours of stories content material that’s value consuming.

The opposite two platforms requested about in the survey – radio and print newspapers – are about on par with final 12 months in terms of reported consumption. Despite the bad internet service in the country, Ma mentioned he sees this as an opportunity for concerned events to enhance Manila’s internet connectivity. Be it the Internet, tv or the standard radio and newspapers, media is an extensive supply of data on a variety of subjects, which broadens the horizons of knowledge. That is why a lot fight over content — from pretend or fraudulent information to sizzling take battles and past — has swept the media, especially on-line. Many of the traditional media tv, radio, and newspapers start converting their news content material digitally and started their web sites. Moreover, though significantly extra younger women reported studying print newspapers greater than younger males.

As much as ninety nine per cent of the Kenyans connected to internet use their mobile phones for entry, with different units taking up what’s left, therefore the nation may very well be stated to be in a nomophobic era, the place individuals have an irrational worry of being with out their mobile phones or being unable to make use of their phones, in line with the analysis.

In addition to the depressing spectacle of celebrity information anchors studying social media posts dwell on air, or reserving visitors for rant classes designed to realize little more than contemporary flurries of activity on social, cable information channels are hitting a format wall that sensationalism can’t offset.

On-line newspapers differ significantly from the print media: Online readers learn from a digital format on laptop display screen or on smartphone, they and move around by clicking on links and menu buttons. They navigate through a virtual space and should run into problems orienting themselves in the complex internet construction four Internet customers all through the world are actually in a position to read the news throughout the minute of the taking place. Information Guard is an ominous warning that online censorship is changing into a viable enterprise mannequin as the massive tech corporations look around for someone else to do their dirty work for them.… Read More

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