INTERNET PROTOCOL (IP) - A protocol telling the network how packets are addressed and routed.
INTERNET SERVICE PROVIDER (ISP) - Telecommunications companies that sell Internet access. Users either dial-up to an ISP server or have a broadband connection such as DSL. Once connected, they can branch out onto the Web.
Mb or MEGABIT -10^6 bits of information (usually used to express a data transfer rate; as in, 1
MPEG-1 1/4 broadcast quality which translates to 352 x 240 pixels. Typically compressed at 1.5
MPEG-2 - Similar to MPEG-1, but includes extensions to cover a wider range of applications.
MPEG-2 translates to 704 x 480 pixels at 30 frames per second in North America and 704 x 576 fps at 25 fps in Europe. Typically compressed at higher than 5 Mbs. The primary application targeted during the MPEG-2 definition process was the all-digital transmission of broadcast TV quality video.