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CUT6 5.2
Computers: Understanding Tech 6e 5.2
Term | Definition |
---|---|
network service provider (NSP) | Providers of high-capacity Internet access. Other organizations, including ISPs, purchase bandwidth from NSPs. |
Internet service provider (ISP) | An organization that provides user access to the Internet, usually charging a subscription fee. |
Internet exchange point (IXP) | A physical connection through which an ISP may share data with other ISPs and networks. |
point of presence (POP) | A connection through which an ISP provides Internet connections to customers. |
value-added network (VAN) | A large ISP that provides specialized service or content, such as reports from a news service or access to a legal database. |
download | To receive information such as a document from a remote site to one’s own computer via a network or the Internet. |
upload | To send information such as a document from one’s own computer to a remote computer or location via a network or the Internet. |
Kbps (kilobit per second) | A data transfer rate equal to about 1,000 bits per second. |
Mbps (megabit per second) | A data transfer rate equal to about 1,000,000 bits per second. |
dial-up access | A type of Internet access that allows connecting to the Internet over a standard land-based telephone line by using a computer and a modem to dial into an ISP. |
broadband connection | A high-speed Internet connection. Broadband connection speeds are better suited to online activities such as viewing videos. |
digital subscriber line (DSL) Internet service | A form of broadband delivered over standard telephone lines. DSL is as fast as cable modem service and provides simultaneous web access and telephone use, but has limited availability. |
Wi-Fi hotspot | A location with a wireless access point for connecting to the Internet via a mobile computer or device, often found in public places such as coffee shops and airports. |
tethering | A setup where you use your smartphone as a hotspot when you need only a single Internet connection while on the go. |
Gbps (gigabit per second) | A data transfer rate equal to about a billion bits per second. |