Sarasota Middle School Technology
Glossary Continued:
C
Cache (pronounced cash) - A section of high-speed memory set aside for frequently accessed data; memory and disk caching are commonly used by browser software to quickly return to previously visited web sites
Client - The user of a network service. Also used to describe a computer or software that relies upon another system for some or all of its resources
Compression Utility - A program (zip or Binhex) that compresses files; requires matching or compatible decompression program to restore file to its original form
Cookie - information from a web site sent to a browser and stored on the user's hard drive so the web site can retrieve it later; can contain information about the user's login name, password, and preferences (only on that one web site) making it unnecessary for the user to logon every time they visit that particular site; browsers can be configured to accept or reject cookies, or notify the user when cookie is being set.
Cyberspace - A term used to describe the world of computers, specifically the Internet.
D
Data Compression - Condensing of information so it can be stored in less space and transmitted in less time.
Data Encryption - Transcription of information into indecipherable code for security purposes; cannot be viewed or used until unencrypted (converted) into original form.
Dial-Up Networking (DUN) - Built-in feature Of Win95/98 that enables computers to connect to a network (such as FIRN) via a modem; uses PPP to control traffic between computer and network, specifically used to connect to the Internet.
Digital subscriber Line (DSL) - New technology used to transmit digital data on regular co7pper phone lines; can send analog and digital signals over the same line which provides extremely high speed connections to the Internet; includes ADSL, HDS4 VDSL
Domain Name - identifying title given to a system of computers, usually including top4evel domain and all sub-domains; for example, fim.edu
DNS (Domain Name Server) - A system for converting strings of alpha characters representing-the location (i.e. www.fim.edu) of numeric Internet addresses.