Uniprocessor A computer that has only one processor
Unstructured data Data whose logical organization is not apparent to the computer
Unstructured data warehouse A data warehouse whose source of data is unstructured
data
Update To change or alter the value of data in a database
User The individual engaging in computation
Variable fields Fields that may or may not occur in a data structure
Variable length fields Fields of data that are not fixed in length
VDU Video display unit—a terminal
Video Media where there is moving action and accompanying audio
Voice recognition The technology that allows voice to be converted to an electronic
format
Waterfall development The SDLC, so called because any one development activity
must be done before the next activity can begin and because the output from any one
level of activity becomes the input into the next level
Zachman, John A thought leader and pioneer in computer science
Zachman framework The development framework built by John Zachman where
engineering principles are applied to the information systems development process
Glossary