DDR2-SDRAM
DDR2-SDRAM is high-performance main memory. Over its predecessor, DDR-SDRAM, DDR2-SDRAM offers greater bandwidth and density in a smaller package along with a reduction in power consumption. In addition DDR2-SDRAM offers new features and functions that enable higher a clock rate and data rate operations of 400 MHz, 533 MHz, 667 MHz, and above. DDR2 transfers 64 bits of data twice every clock cycle. DDR2-SDRAM memory is not compatible with current DDR-SDRAM memory slots.
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- DDR-SDRAM
Short for Double Data Rate-Synchronous DRAM, a type of SDRAM that supports data transfers on both edges of each clock cycle (the rising and falling edges), effectively doubling the memory chip’s data throughput. DDR-SDRAM also consumes less power, which makes it well-suited to notebook computers. DDR-SDRAM is also called SDRAM II. and DDRAM.
- DDS
Abbreviation of Digital Data Storage, the industry standard for digital audio tape (DAT) formats. There are currently four kinds of DDS. Type of DDS Tape Length in Meters Compression Off On DDS-1 90 2 GB 4 GB DDS-2 120 4 GB 8 GB DDS-3 125 12 GB 24 GB DDS-4 150 20 GB 40 GB
- DD-WRT
A free open source firmware that can be loaded onto a compatible wireless router and used to create a hotspot to share your Internet connection. See “Create Your Own Hotspot (Using DD-WRT)” on “Wi-Fi Planet”. See also”Public Wi-Fi Hotspots” in the Quick Reference section of
- Distributed Denial of Service (DDoS)
DDoS is short for Distributed Denial of Service. DDoS is a type of DOS attack where multiple compromised systems, which are often infected with a Trojan, are used to target a single system causing a Denial of Service (DoS) attack. Victims of a DDoS attack consist of both the end targeted system and all systems […]
- DEC
Pronounced deck, and short for Digital Equipment Corporation, one of leading producers of workstations, servers, and high-end PCs. DEC also developed one of the leading Internet search engines called Alta Vista. In January, 1998, DEC agreed to be acquired by Compaq, which was then acquired by Hewlett-Packard.