400
Glossary of Technical Terms
DNS ( domain name system ) is a hierarchical naming system for computers, services, or any
resource participating in the Internet.
DNS tampering ( domain name system tampering ) is a method of blocking communication by
preventing the conversion of domain names into IP addresses, effectively blocking access to the
Web site.
Domain name is a label identifying a specifi c computer, service, or resource on the Internet.
DSL ( digital subscriber line ) is a family of technologies that provides digital data transmission
over existing telephone wires.
EDGE ( Enhanced Data rates for GSM Evolution ), also known as EGPRS or Enhanced GPRS, is a
GSM extension that improves data transmission rates by up to three times their original speed.
EVDO ( evolution-data optimized or evolution-data only ) is a telecommunications standard for the
wireless transmission of data through radio.
GB ( gigabyte ) is a unit of digital information storage equal to 10
9 (1,000,000,000) bytes. However,
this term is also often used to mean 1,024
3 (1,073,741,824 bytes).
GPRS ( general packet radio service ) is service for mobile devices that divides data into packets for
transmission purposes. It can be used with 2G and 3G wireless telephone technology operating
on the GSM standard.
GPS ( Global Positioning System ) is a free global navigation satellite system that is used for both
military and civilian purposes.
GSM ( Global System for Mobile Communications ) is a digital mobile phone standard used by as
much as 80 percent of the global market. Its widespread use enables international roaming among
different mobile phone operators.
HTTP ( Hypertext Transfer Protocol ) is a set of standards for exchanging text, images, sound, and
video by means of the Internet.
HTTP proxy fi ltering blocks communication on the basis of the specifi c HTTP address or URL
being requested.
ICP ( Internet Cache Protocol ) is a set of rules used to coordinate Web caches (places where duplications of online data are temporarily stored, enabling faster access and reducing bandwidth).
ICP ( Internet content provider ) is an online service provider that creates or provides informational,
educational, or entertainment content.
ICT ( information and communication technology ) is an umbrella term that includes all technologies
intended for the manipulation and communication of information.
IP address ( Internet Protocol address ) is a numerical identifi cation assigned to devices participating in a computer network utilizing the Internet Protocol.
IRC ( Internet relay chat ) is a form of real-time Internet messaging.
Glossary of Technical Terms
DNS ( domain name system ) is a hierarchical naming system for computers, services, or any
resource participating in the Internet.
DNS tampering ( domain name system tampering ) is a method of blocking communication by
preventing the conversion of domain names into IP addresses, effectively blocking access to the
Web site.
Domain name is a label identifying a specifi c computer, service, or resource on the Internet.
DSL ( digital subscriber line ) is a family of technologies that provides digital data transmission
over existing telephone wires.
EDGE ( Enhanced Data rates for GSM Evolution ), also known as EGPRS or Enhanced GPRS, is a
GSM extension that improves data transmission rates by up to three times their original speed.
EVDO ( evolution-data optimized or evolution-data only ) is a telecommunications standard for the
wireless transmission of data through radio.
GB ( gigabyte ) is a unit of digital information storage equal to 10
9 (1,000,000,000) bytes. However,
this term is also often used to mean 1,024
3 (1,073,741,824 bytes).
GPRS ( general packet radio service ) is service for mobile devices that divides data into packets for
transmission purposes. It can be used with 2G and 3G wireless telephone technology operating
on the GSM standard.
GPS ( Global Positioning System ) is a free global navigation satellite system that is used for both
military and civilian purposes.
GSM ( Global System for Mobile Communications ) is a digital mobile phone standard used by as
much as 80 percent of the global market. Its widespread use enables international roaming among
different mobile phone operators.
HTTP ( Hypertext Transfer Protocol ) is a set of standards for exchanging text, images, sound, and
video by means of the Internet.
HTTP proxy fi ltering blocks communication on the basis of the specifi c HTTP address or URL
being requested.
ICP ( Internet Cache Protocol ) is a set of rules used to coordinate Web caches (places where duplications of online data are temporarily stored, enabling faster access and reducing bandwidth).
ICP ( Internet content provider ) is an online service provider that creates or provides informational,
educational, or entertainment content.
ICT ( information and communication technology ) is an umbrella term that includes all technologies
intended for the manipulation and communication of information.
IP address ( Internet Protocol address ) is a numerical identifi cation assigned to devices participating in a computer network utilizing the Internet Protocol.
IRC ( Internet relay chat ) is a form of real-time Internet messaging.