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Saturday 23 April 2011

The Internet, The Web & Electronic Commerce

URL
In computing, a Uniform Resource Locator (URL) is a Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it. In popular usage and in many technical documents and verbal discussions it is often incorrectly used as a synonym for URI.




HTML
HTML, which stands for Hypertext Markup Language, is the predominant makeup language for web pages. HTML is the basic building-blocks of webpages. HTML is written in the form of HTML elements consisting of tags, enclosed in angle brackets (like <html>), within the web page content. HTML tags normally come in pairs like <h1> and </h1>. 






Javascript
JavaScript, also known as ECMAScript, is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions. It is also considered a functional programming language like Scheme and OCmal because it has closures and supports higher-order functions.




Applets
Applet is any small application that performs one specific task that runs within the scope of a larger program, often as a plug-in. An applet typically also refers to Java applets, i.e., programs written in the Java programming language that are included in a web page. The word Applet was first used in 1993 by the application AppleScript.





Blogs
A blog is a type of website or part of a website. Blogs are usually maintained by an individual with regular entries of commentary, descriptions of events, or other material such as graphics or video. Entries are commonly displayed in reverse-chronological order. Blog can also be used as a verb, meaning to maintain or add content to a blog.




Wikis
A wiki is a website that allows the creation and editing of any number of interlinked web pages via a web browser using a simplified makeup language or a WYSIWYG text editor. Wikis are typically powered by wiki software and are often used to create collaborative works. Examples include community websites, corporate intranets, knowledge management systems, and note services. The software can also be used for personal note taking.




FTP
File Transfer Protocol (FTP) is a standard network protocol used to copy a file from one host to another over a TCP-based network, such as the Internet. FTP is built on a client-server architecture and utilizes separate control and data connections between the client and server. FTP users may authenticate themselves using a clear-text sign-in protocol but can connect anonymously if the server is configured to allow it.




Plug-in
A plug-in (or plugin) is a set of software components that adds specific abilities to a larger software application. If supported, plug-ins enable customizing the functionally of an application. For example, plug-ins are commonly ysed in web browsers to play video, scan for viruses, and display new file types. well-known plug-ins examples include Adobe Flash Player and Quick Time.




Filters
In computing, filter(high-order function), a higher-order function that processes a data structure( typically a list) in some order to produce a new data structure for containing exactly those elements of the original data structure for which a given predicate returns the boolean value true.




Internet Security Suite
Internet Security Suite is a suite of utilities for maintaining the security of a software. Examples of internet security suite are antivirus,personal firewall, spam blocker and popup blocker. They offers peace of mind from a growing array of risks that increase rapidly as more PCs become accessible through the internet.


Sunday 17 April 2011

Career In Information Technology

Webmaster

A webmaster is a person responsible for maintaining one or many websites. The duties of the webmaster may include ensuring that the web servers, hardware and software are operating accurately, designing the website, generating and revising web pages, replying to user comments, and examining traffic through the site. Webmasters also heavily deal with high volumes of email, often related to important web or computer-related questions.

                                                        






Computer Support Specialist

Computer support specialists help people use computers. When something goes wrong, support specialists figure out why. Then, they try to fix it. They also install printers, software, and other computer tools. Most computer specialists work in offices or computer labs. Computer specialists normally work a 40-hour work week, but that can include being "on call" by phone when they are not on their shift.
           
 

Technical Writer

A technical writer is a professional writer who designs, creates, and maintains technical documentation. Engineers, scientists, and other professionals may also produce technical writing, usually handing their work to a professional technical writer for proofreading, editing, and formatting. A technical writer produces technical documentation for technical, business, and consumer audiences.

 

Software Enginner

A software engineer is an engineer who applies the principles of software enginnering to the design, development, testing, and evaluation of the software and systems that make computers or anything containing software. Most software engineers work as employees or contractors.

 

Network Administrator

A network administrator is a person responsible for the maintenance of computer hardware and software that comprises a computer network. The actual role of the Network Administrator will vary from company to company, but will commonly include activities and tasks. The administrator is responsible for the security of the network and for assigning IP addresses to the devices connected to the networks.

 

Database Administrator

A database administrator is a person responsible for the design, implementation, maintenance and repair of an organization's database. The role includes the development and design of database strategies, monitoring and improving database performance and capacity, and planning for future expansion requirements. Some organizations have a hierarchical level of database administrator

 

System Analyst

A systems analyst researches problems, plans solutions, recommends software and systems, and coordinates development to meet business or other requirements. They will be familiar with multiple variety of programming languages, operating systems, and computer hardware platforms. They may be responsible for developing cost analysis, design considerations, and implementation time-lines.

 

Programmer

A programmer, computer programmer or coder is someone who writes computer software. One who practices or professes a formal approach to programming may also be known as a programmer analyst. The need for programmers, system administrators, designers and network architects is only going to increase. Our global community has ever more information it needs to collect, compile and share.