Tech Questions

Short answers to simple questions. What is ...?

CSS
Cascading Style Sheets

Is the text used to Display and Format a website, as an extension of HTML.

CSS lets control fine details, such like: fonts, color & position. It is possible to choose a different style depending on the Display Media the site is displayed.

HTML
HyperText Markup Language

The text used to give structure and organization to documents through Internet. It consists of a series of keywords called labels, which act as delimiters to create elements inside the document structure.

HTML was designed as a tool to structure scientific and table information in a simple yet effective fashion, thus having a very poor control over fine Display and Format. To accomplish this task it is used CSS.

JavaScript
Is the technology developed to bring dynamic interaction to Web browsers. JavaScript can change HTML & CSS content dynamically, as well as change common actions of a Web browser. Common uses of JavaScript include checking send forms are filled correctly, to generate a log of selected products from a client while it navigates a page, among others.

* JavaScript y Security Malicious websites can take advantage of bugs in Web browsers using JavaScript, and force your web browser to open unwanted or not fetched websites windows, block access to certain sites, redirect your information to untrusted sites, or even try to install software.

The principal mean to reinforce security is to deactivate JavaScript option for old web browsers. Recent web browsers and general public can search Black Lists of Malicious Sites.

Display Media
Is the kind of media where the information is displayed. The distinctions becomes relevant when taking into consideration the different characteristics of each media: resolution, quantity of colors of the display, visible area, interactivity. Some of this media are:
  • PC/Mac Screen
  • Print
  • Mobiles
  • TV screen
  • Auditive web browsers

Flash®
Multimedia technology to generate interactive web content. Flash® is a tool to create animations based on vectors, images & video; it is the predominant multimedia technology over Internet. ActionScript is the programming plataform for Flash, capable of animations, games and simple apps, even complete websites.

PHP
Dynamic Hypertext Technology, used to generate website contents dynamically. PHP is capable of database interaction, open local or remote files, process requests to be displayed in a web browser.

For most comprehensive reference, please see the Official PHP site.

Domain
Is a website address, in the form of legible text (www.example.com), which is associated to a website. Domains must be registered, by a fee and a determined period of time, from international entities to associate a name to one or more IP addresses.

Domain names must complain to certain standards and rules. Some phrases or words could be restricted for use.

Hosting
Is the space and resources hired to keep files accessible (online) through Internet. The hosting site can be configured to be accessed as a website.

Web Explorer
Program used to display web pages and navigate Internet. Web browsers must complain to HTML, CSS & JavaScript standars to maximize compatibility; bugs and mistakes implementing such standards cause Display Glitchs.

Black Lists of Malicious Sites
These lists are generated by trusted companies and organizations, the most common are Google, Microsoft, Yahoo!. The malicious sites try to slip through existent web browsers vulnerabilities to display unwanted information, redirect sensitive user data to untrusted sites, or install malicious software.

Different web browsers search these lists before accessing a site, raising an alert in case the user is about to access to a malicious site, letting the final decision to user, or even some of them block the access completely.

Display Glitchs
Display glitchs appear when web pages design are displayed by buggy Web browsers. The web page is displayed with ovelapped, hidden, or expanded contents, modifying the intended layout and making difficult to navigate pages with complex layouts.

For a better reference and examples, please visit position is everything.

Display and Format
The format of a web page determines the display order of contained elements. Using CSS, color, size and position are established for each element of a page, giving the final display for an intended Display Media.
Valid XHTML 1.0 Transitional - W3C
Valid CSS - W3C
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