page

Each window of information you get from the Internet is a Web page. Web pages are linked together throughout the Web via links. Learn about Web pages.

ping

Ping is an Internet program that lets you verify that a particular Internet address exists and is working.

pixel

Pixels are very small points of light that form images on your computer monitor. Computer monitors are measured by the number of pixels they contain. A common size is 640 by 480 pixels (or a 14'' monitor).

plug-in

A plug-in is a relatively small piece of software that expands the functionality of a computer application. Browser plug-ins can allow your browser to display video and play sounds. Find out more about plug-ins.

POP

A POP is location that can be dialed with a modem for Internet access. Find out more about dial-up numbers.
POP is also a method for retrieving e-mail from a mail server. POP stands for Post Office Protocol. Find out more about e-mail.

post

When you send a message to a newsgroup, you are posting a message to a newsgroup. Find out more about newsgroups.

protocol

A protocol is an agreed-upon method of transfering data between computers. Web pages are transfered using the hypertext transfer protocol (http), and e-mail messages are transfered using the Post Office Protocol (POP) and Simple Mail Transfer Protocol (SMTP).

proxy server

A proxy server is a server that acts as an intermediary between a computer and the Internet, and that ensures security, administrative control, and caching. Caching speeds up Internet access. If one or more Internet sites are frequently requested, they are kept in the proxy's cache, so that when a user requests them, they are delivered directly from the proxy's cache instead of from the original Internet site.

push

Push is a special way of receiving information from the Web. Rather that having to click around the Web for information, the information you want is sent to you automatically. Netscape Netcaster uses push technology.

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