CACHE
A temporary store on your computer which speeds up the loading of Web pages. For example, a company logo which appears on each of their Web site pages will only be downloaded by your computer once. When you view subsequent pages, your computer will access the logo from its own cache.
CGI
Common Gateway Interface. A way for servers to pass control to an application program and then receive data back when it has completed the task.
CLIENT
Program (such as a browser) that accesses information.
COOKIE
A file within your browser which is used by Web sites to store information such as details of your previous visits to the site.
CPS
Characters Per Second. A measurement of data output speed.
CTR
Click Through Rate. The percentage of viewers who click on your advertising banner.
DEFAULT
The settings your computer automatically uses, unless it receives other instructions.
DIAL UP
Connecting to another computer via regular telephone lines.
DIGITAL CERTIFICATE
Issued by banks to identify bone-fide merchants. Required for e-commerce.
DOMAIN
Part of the unique addressing system (e.g. redpen.co.uk). Domains may be registered by companies or individuals.
DOWNLOAD
To retrieve a file from a host computer
E-MAIL ADDRESS
A unique address, usually made up of a name or department, the @ symbol and a domain name, e.g. Judi@redpen.co.uk
E-MAIL AUTO RESPONDER
A program that automatically sends a standard response to incoming e-mail.
E-MAIL FORWARDING
Method of diverting e-mail to an alternative designated address.
ENCRYPTION
A security system that encodes data.
