Short for Session Description Protocol, a protocol that defines a text-based format for describing streaming media sessions and multicast transmissions. SDP is not a transport protocol but a method of describing the details of the transmission. For example, an SDP file contains information about the format, timing and authorship of the transmission, name and purpose of the session, any media, protocols or codec formats, the version number, contact information and broadcast times.
In addition to being transport protocols, RTSP and Session Initiated Protocol also rely on SDP.
Short for Synchronous DRAM, a type of DRAM that can run at much higher clock speeds than conventional memory. SDRAM actually synchronizes itself with the CPU’s bus and is capable of running at 133 MHz, about three times faster than conventional FPM RAM, and about twice as fast EDO DRAM and BEDO DRAM. SDRAM is […]
Short for Standard Definition Television it is a type of digital television operation method which is able to transmit and produce images which are of a higher quality than standard analog broadcast. SDTV is typically a 480i signal – where 480 represents the vertical resolution and i represents interlaced. Digital cable and digital satellite programming […]
- Secure Digital Card (SD Card)
An SD Card (Secure Digital Card) is an ultra small flash memory card designed to provide high-capacity memory in a small size. SD cards are used in many small portable devices such as digital video camcorders, digital cameras, handheld computers, audio players and mobile phones. In use since 1999, SD Memory Cards are now available […]
Short for SIquentiel Couleur @ Mimoire (Sequential Color with Memory), SECAM is a color TV standard that was introduced in the early 1960 in France. SECAM uses the same resolution as PAL (625 lines) but transmits the color information sequentially: R-Y on one line and B-Y on the next. SECAM is used sparingly around the […]
Short for Single Edge Contact Cartridge SECC is a processor cartridge that plugs into a motherboard on Slot1. SECC was designed to hold the Intel Pentium II as well as external cache. SECC was replaced with the newer SECC2 technology that was designed to hold the Intel Pentium II 450 and Pentium III.