Revise Flashcards
Alt tag in HTML
gives an alternative information about an image if for some reason the user doesn’t see it.
CGI
common gateway interface. Technology that allows browsers to submit forms to the database.
When are tables used
Tables are used to store tabular information
WYSIWYG
what you see is what you get.
Multi mode html editor
site management editor like Atom
JPEG
join photographic experts group
Biggest heading when display on a page
H2
Breadcrumb navigation
lets the user see his current location on the website
Flat file database
infromation stored in a single table, in a simple text
Relational database
a database structured to recognize relations between stored items of information, it reduces duplicate data and increases speed
1 KB =
8 kb
JPEG description
supports lossy compression, can store a very high amount of colors, best suited for photos, image file size is low.
PNG description
is a lossless compression format, is better used for images that have a sharp transition between colors, artwork, png images also offer a transparency mode used for logos, image file size is higher that JPEG.
DOM properties
An interface that treats HTML as a tree structure document. It defines a logical structure by giving HTML elements an object quality that has its own properties depending on the initial HTML attribute.
It represents the page so that languages like JavaScript can change its structure and functionality.
DHTML
Dynamic HTML is a set of technologies that are used to manipulate the structure of web pages, to add functionality and change the visual aspect.
With DHTML it is possible to create a web page that reacts to user’s action without having to contact the server to download applications.
What is an ISP?
ISP stands for Internet Service Provider and thus is a “cable company” that provides access to the internet on a subscription basis. Such a company like Virgin Media, BT.
Web hosting
is when a subscription plan is payed to a company that hosts the website. Usually prices are very competitive and thus cheap.
Shared server hosting
is when you share space on the server with other websites, can be provided by ISP. Offers great security protocols and reliability.
Dedicated server
it is the most powerful option designed for bigger websites.
C2C description and example
Customer to customer is a business model where customers can trade with each other in an online environment. Examples include eBay, Amazon.
Ecommerce payment technology
It is a payment that does not involve a paper check. Methods like credit cards, debit cards are all epayments.
DBMS
Data base management system is a type of a software that allows to manipulate, define, retrieve data from databases.
Personal DBMS
Personal DBMS is designed for a single user simple database application and should not be used for multi-user applications.
Enterprise DBMS
Enterprise are large scale applications that deal with huge data-sets, designed for multiple users.
Web safe colors
In the past browsers weren’t able to support more than 256 colors and thus web safe colors were designed to limited them to 216.
Horizontal rule tag
<hr></hr>
Implementation of “div” tag in a website
This tag is used as a container in order to group different elements together
Internal and external links
Internal links direct the user to another page on the website where as external links direct to a different website.
Link to the following website: Gallery
a href=”gallery.html”>Gallery<a></a>
Purpose of HTML
HTML is a markup language that is used to structure the webpage and add elements.
Purpose of CSS
CSS describes the presentation of HTML webpages, how the should look, what colors should be present etc.
Purpose of JavaScript
JavaScript allows the implementation of complex features to webpages, like animated graphics, interactive maps etc.
h1 {font-weight: bold;}
H1 is describing a heading tag.
Font-weight defines how bold the text should be.
Web accessibility
ensuring there are no barriers for people with disabilities that prevent them from accessing the internet. For people with different devices as well.
Usability
Less thinking, less frustration. A website should present only the things that the user is looking for.
Target audience
Is a group of people that is most likely to respond to the product, promotions.
Semantic elements
Elements with meaning, like form, table.
