CSU/DSU
Short for Channel Service Unit/Data Service Unit. The CSU is a device that connects a terminal to a digital line. Typically, the two devices are packaged as a single unit. The dSU is a device that performs protective and diagnostic functions for a telecommunications line. You can think of it as a very high-powered and expensive modem. Such a device is required for both ends of a T-1 or T-3 connection, and the units at both ends must be set to the same communications standard.
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Short for computer-telephony-integration, which refers to systems that enable a computer to act as a call center, accepting incoming calls and routing them to the appropriate device or person. Today’s CTI systems are quite sophisticated and can handle all sorts of incoming and outgoing communications, including phone calls, faxes, and Internet messages.
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- CU
Short for control unit, it is a typical component of the CPU that implements the microprocessor instruction set. It extracts instructions from memory and decodes and executes them, and sends the necessary signals to the ALU to perform the operation needed. Control Units are either hardwired (instruction register is hardwired to rest of the microprocessor) […]
- CUA
Short for Common User Access, a set standards for user interfaces developed by IBM. CUA is one component of the System Application Architecture (SAA) standards introduced in 1987. The CUA standards deal with interface appearance, programming conventions, and communications.