data base = database
data bit
data block
data buffer
data bus
data byte
data cache
data capturing
data card
data carrier
data cell
data center
data chaining
data channel
data channel multiplexer
data circuit-terminating equipment (DCE)
data collection
data communication equipment
data communication line
data communications
data communications system
data compression
data concentrator
data conversion
data converter
data definition language (ĐL)
data delimiter
data dictionary
data element
data encryption