Wednesday, December 15, 2010

The Internet and the Web.

File Transfer Protocol

File Transfer Protocol (FTP) is mainly known as the network protocol, it is used to exchange data between computer in the internet through a Transmission Control Protocol/Internet Protocol (TCP/IP)-based network. It is a very fundamental way to transfer files between a FTP server. A very good example is the Hypertext Transfer Protocol, which functions in transfering displayable web pages and related files. Other than that, Simple Mail Protocol is also one of the FTP, which helps to transfer email from one to another.

File Transfers

Plug-ins
Plug-ins are programs that can easily be installed and used on your Web browser. One very good example of plug-ins that are very commonly used is Adobe Flash Player. It is a plug-in that allows us to access to most of the animations or videos in the internet. Most of them are not neccesary and used more as a bonus feature for the browsers. But for certain browsers, to access applications like Flash Player you might need to download certain plug-ins for the browser.

Firefox is an example for browsers that offers multiple plug-ins.
Filters
Internet filters are software tools used to monitor web contents viewed on a computer or network. In family computers, Internet filters can help parents manage and control the freedom that their kids can access on the computers. It is also used by education organisation or schools to protect kids from viewing inappropriate material or access unproductive websites. This is also applied by corporate organisations to control their workers' access to the Internet. Internet filters like "phishing filters" can warn you about and block you from suspicious websites that might be fraudulent. Moreover, internet filters like "spam filters" can keep spam out of your inbox.

Interface of a internet filter program.

Internet Security Suite
Internet Security Suite is a set of programs use to defend your computer from being affected by harmful data like viruses, spyware and hackers. A way the program work is it scans datas or files downloaded from the Internet to make sure it is safe and if it is not, the program will notify the users about it so that harmful data can be prevented from the computer. Internet security is very important especially for big corporate organisations where storage of information are very important.





An Internet Security Suite.

Wiki
Wiki is a website that is used to create and edit a number of interlinked web pages through a web browser. Wiki is basically powered by wiki software, it normally creates collaborative wiki websites. For example, Wikipedia. A widely popular online encyclopedia.

Javascript
Javascript is typically used to enable programmatic access to computational objects within a host environment. Through this programmatic access it enables users to make a certain web page interactive. It functions well in your visitor's computer, leading them not to download constantly from your web site. An applet is a program written in the Java programming language that can be included in an HTML page. When a Java-enabled program is used to view pages on web browsers containing applet, the applet's code is translated by the browser's Java Virtual Machine (JVM).

Javascript editor.


HTML
HTML stands for Hypertext Markup Language. It is the essence of a webpage. A primary programming language used to write and create web pages. HTML is written in forms of elements consisting of tags surrounded by symbols like angle bracket, for example a bolded line of text is accompanied by a <b> followed by the text body and then closed with a </b>.




URL
Url stands for Uniform Resources Locator. It is the address of documents and everything else on the Internet. The first part of the address is a protocol identifier which indicates which protocol will be used, and the second part of the address is is called the resource name and is used to specify the IP address or the domain name where the resource is located.


URL

Monday, December 13, 2010

Careers in IT

Webmaster
A Webmaster is also known as a Web Developer. A webmaster is usually someone who expertise in HTML. A webmaster's job involves creating, developing and maintaining a website. Which is basically the reason why they are called the "Webmaster". A master to the web, constantly surveying and maintaining it.

One of the webmaster's job is maintenance. They have to ensure the web servers, hardware and software are operating accurately. If something goes wrong with the site, the webmaster has to swiftly reach to the root of the problem and solve it. So when you visit a site and a maintenance notice pops up, it usually means the webmaster is doing his job.

Another task of the webmaster is programming. To create and maintain. Using their knowledge of HTML webmasters can swiftly create and put up a website with ease. And they are also able to design a website's layout or features using HTML.

Because of the current technology era, webmasters are also required to be involved in developments. To keep up with the fast pace of technology websites have to constantly upgrade their page and applications. They develop these from scratch of from works people have done. It is not simply coming up with an idea and putting it up, but also making sure it fits in the scheme of the whole site and doesn't contradict other information up there.

How a webmaster will probably look like.

Computer Support Specialist
A computer support specialist's job is very much similiar to customer support. They basically help people in using the computer.When something goes wrong and computer issues needed to be fixed, they figured out what it is and fix it.


Many support specialists answer questions over the phone or by e-mail. Others also help people face-to-face. To answer a problem over the phone, the specialist takes the person through the necessary steps to fix the problem using their own computer.


Computer support specialists also install printers, software, and other computer tools. Then, they teach people how to use them. Sometimes, they write instruction books.


A Computer Support Specialist's day at work.


Technical Writer
technical writer prepares clear, concise written documentation which communicates technical information to a target audience. Some common examples of technical writing include user manuals for software, documentation guides for industrial machinery, and design or engineering specifications for construction projects.


A technical writer's field in application of skills is fairly wide. They are not restricted to write in a subject matter that they expertise in as long as they possess and applies expertise to interview experts in certain subject matters and conduct research necessary to produce accurate, comprehensive documents.


The technical writer's probably not doing a good job.
Software Engineer
Software engineers are people who designs software, implement it and modifying a software so that it is of better standard, easier accessibility and more affordable. They also do quality assurance. A software engineer analyzes the criteria for the software from their clients, design and then program the software. Finally they test the software to see if it works. This job involves a lot of code writings.




Network Administrator
network administrator is a person responsible for the maintenance of computer hardware and software that comprises a computer network. This normally includes deploying, configuring, maintaining and monitoring active network equipment. Network administrators rarely get involved in direct user support. Often working in the background and focus on the integrity of the network and also ensuring that the network connectivity throughout a company's LAN/WAN infrastructure is working on par and adequately. 


They are also in charge of the network's security by assigning different IP addresses to devices connecting to the network. Doing so allows the administrator to have control over the devices connected.


A network administrator working on a server hardware.
System Analyst
They research on problems, plans solution, coordinate development to meet some certain requirement to make things easier and many more. They also recommend on what kind of software to purchase. As they are the one who research on problems, they are responsible to improve the computer. Therefore, they have left no option but to analyst on both hardware and software.



In this case, they are customizing on computers configuration like the processor speed, amount of Random Access Memory (RAM), hard drive space, video card, and monitor size, while the software side includes the operating system and application.


Computer Programmer
Computer programmer specialize in writing software programs. They get ideas from the software engineer or system analyst, then computer programmer will be in charge in converting the information into computer language in order the computer to work well. They also work with existing software to update or modify them to a better system.