The World Wide Web Consortium, or W3C for short,
is the committee which creates, reviews, and approves the technical
specifications for the languages and protocols which form the architecture of the World Wide Web.
Find and write simple explanations for the following terms.
Cyberspace
Describes the world of connected computers and the society that gathers around them. Commonly known as the INTERNET.
download
On the Internet, to transfer a file from another computer to your computer by means of a modem and telephone line (or cable) or network connection.
upload
To send a file through a network to another computer or device.
GIF
(Graphic Interchange Format)
A common format for image files, especially suitable for images containing large areas of the same color. GIF format files of simple images are often smaller than the same file would be if stored in JPEG format, but GIF format does not store photographic images as well as JPEG.
JPG
(short for JPEG: Joint Photographic Experts
Group)
A graphics file format (similar to GIF) which is used more for photographs and other images containing many colors and shading.
PNG
(Portable Network Graphics)
Sometimes pronounced as "ping", is a relatively new bitmap image format that is becoming popular on the World Wide Web and elsewhere. PNG was largely developed to deal with some of the shortcomings of the GIF format and allows storage of images with greater color depth and other important information
login
Noun: The account name used to gain access to a computer system. Not a secret (contrast with Password).
Verb: The act of entering into a computer system.
mailing lists
(listserv and majordomo)
A mailing list is a collection of names and addresses used by an individual or an organization to send material to multiple recipients. The term is often extended to include the people subscribed to such a list.
newsgroups
Newsgroups are ongoing discussion groups among people on the Internet who share a mutual interest.
�� How are newsgroups different from mailing lists?
Newsgroups are bulletin boards where people can hold discussions,
while a mailing list is a list of e-mail addresses of people interested in the same topic.
packet switching
The method used to move data around on the Internet. In packet switching, all the data coming out of a machine is broken up into chunks, each chunk has the address of where it came from and where it is going. This enables chunks of data from many different sources to co-mingle on the same lines, and be sorted and directed to different routes by special machines along the way. This way, many people can use the same lines at the same time.
router
A method of transmitting massages through a communications network in which long messages are subdivided into short packets.
cookie
Information stored on a user's computer by a Web site so preferences are remembered on future requests.
IP address
(Internet Protocol address)
A unique number that is assigned to any device connected to the Internet. The IP address appears as a set of four numbers separated by periods. The numbers indicate the domain, the network, the sub-network and the host computer.
Domain name
A series of words separated by dots (eg: yahoo.com) identifying an Internet site.
head or header of an HTML document
The document header describes the various properties of the document, including its title, position within the Web, and relationship with other documents.
nesting
When one program block is placed within another program block.
PDF document
(Portable Document Format)
An electronic document that must be read with the Adobe Acrobat computer program. on the Web that look exactly like the originals.
query: requesting information from databbase, usually a search engine.
query box: a box in which you enter a search term before clicking on "enter" or "search."
Assignment 7
