delete
To remove or erase. For example, deleting a character means removing it from a file or erasing it from the display screen. Deleting a file means erasing it from a disk. Note that, unlike cutting, deleting does not necessarily place the removed object in a buffer from where it can be recovered.
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- delimiter
A punctuation character or group of characters that separates two names or two pieces of data, or marks the beginning or end of a programming construct. Delimiters are used in almost every computer application. For example, in specifying DOS pathnames, the backslash (\) is the delimiter that separates directories and filenames. Other common delimiters include […]
- delta frame
In video compression technology, another name for a P-frame or a B-frame.
- delta point
)In biometrics and fingerprint scanning, the delta point is a pattern of a fingerprint that resembles the Greek letter delta. It’s the point on a friction ridge at or nearest to the point of divergence of two type lines. See “How Fingerprint Scanners Work” in the “”Did You Know…” section of
- demand paging
In virtual memory systems, demand paging is a type of swapping in which pages of data are not copied from disk to RAM until they are needed. In contrast, some virtual memory systems use anticipatory paging, in which the operating system attempts to anticipate which data will be needed next and copies it to RAM […]
- demultiplex
To separate two or more channels previously multiplexed. Demultiplexing is the reverse of multiplexing.