| A | B |
|---|
| AC | the movement of an electrical charge |
| ACL | this is used to make firewalls |
| ACPI | consolidates and improves the existing power and configuration standards for hardware devices |
| ACT | activity |
| ADSL | a form of the digital subscriber line which allowe faster data transmission |
| AGP | high speed point to point channel for placing a video card to a computers motherboard |
| AMD | a company that makes computer processors |
| APIPA | automatic private internet protocol addressing |
| APM | allow the OS to work with the BIOS to achieve power management |
| ARP | networking protocol for determining a network's host link layer or hardware address when it IP address is know |
| ASR | simplifies the recovery of a computer's system or boot volumes |
| AT | advanced technology |
| ATA | advanced technology attachment |
| ATAPI | advanced technology attachment packet interface |
| ATM | a standardized digital data trasmission technology |
| ATX | advanced technology extended |
| BIOS | defines firmware interface |
| BNC | used for RF signal connections |
| BTX | form factor for motherboards |
| CD | an optical disc that is used to hold data |
| CD-ROM | an optical data disc that is not changeable |
| CD-RW | an optical data disc that is changeable |
| CDFS | compact disc file system |
| CFS | Central File System; Common File System; Command File System |
| CMOS | technology used in microprocessors and other digital logic circuits that used to construct intergrated circuits. |
| COMx | communication port (x=port number) |
| CPU | carries out instructions of a computer program and carries out a computers functions |
| CRT | a vacume tube containing an electronic gun used in monitors to display an image |
| DAC | discretionary access control |
| DB-25 | connectors used for paralelle printer ports |
| DB-9 | serial connector |
| DC | undiretcional flow of electric charge |
| DDOS | distributed denial of service |
| DDR | double data-rate |
| DDR RAM | double data-rate random access memory |
| DDR SDRAM | double data-rate synchronous dynamic random access memory |
| DFS | any file system that allows access to files from multiple hosts sharing via a computer network |
| DHCP | a computer networking protocol used by hosts |
| DIMM | ram with separate electrical contacs on each side |
| DIN | german standards for manufacturing |
| DIP | an electronic device package with a rectangular housing and two parallel rows of electrical connecting pins |
| DLT | magnetic tape data storage |
| DLP | used in projectors in order to project an image |
| DMA | allows come hardware subsystems to access system memory |
| DMZ | a physical or logical subnetwork that contains and exposes an organization's external services to a larger untrusted network |
| DNS | domain name service or domain name server |
| DOS | an attempt to make a computer resource unavailable to its intended users |
| DPMS | a standard from the VESA consortium for managing the power supply of video monitors for computers through the graphics card |
| DRAM | a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit |
| DSL | a type of internet |
| TB | one thousand gigabytes |
| TCP | concerned only with the two end systems such as web browsers and web servers |
| TCP/IP | the set of communications protocols used for the Internet and other similar networks |
| TDR | an electronic instrument used to characterize and locate faults in metallic cables |
| TFTP | a file transfer protocol, with the functionality of a very basic form of File Transfer Protocol |
| TPM | the name of a published specification detailing a secure cryptoprocessor that can store cryptographic keys that protect information, as well as the general name of implementations of that specification |
| UAC | a technology and security infrastructure introduced with Microsoft's Windows Vista, Windows Server 2008 and Windows 7 operating system |
