nullable
In database management, a field that is allowed to have no values is called nullable. Depending on the application, nullable may also be called a null reference or null object.
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- number cruncher
(1) A computer whose dominant characteristic is its ability to perform large amounts of numerical computations quickly. Supercomputers, for example, are sometimes called number crunchers. In addition, the term number cruncher is often applied to powerful workstations. (2) The term number cruncher is sometimes applied to programs. For example, statistical programs are number crunchers because […]
- numeric keypad
)A separate set of keys on some keyboards that contain the numbers 0 through 9 and a decimal point arranged as on an adding machine. Numeric keypads make it easier to enter large amounts of numeric data. Frequently, the keys on the numeric keyboard also serve as cursor control keys. Their meanings, therefore, depend on […]
- nym
A shortened form of the word pseudonym, a nym is an anonymous invented name that a person can use in e-mail or in online discussions arenas, such as chat rooms or newsgroups. Some people create nyms because they want to protect their privacy on the Internet, while others create nyms to keep from being identified […]
- nym server
A computer that allows a subscribing user to send and receive e-mail messages using a nym, or assumed name, without revealing the user’s true identity.
- OBEX
Short for OBject EXchange, a communications protocol designed for swapping binary objects between particular devices, using IrDA or Bluetooth. OBEX is usually associated with and optimized for ad-hoc wireless links.