v. t. | 1. | To mount by steps; to go through with step by step. |
2. | (Pros.) Specifically | |
3. | To go over and examine point by point; to examine with care; to look closely at or into; to scrutinize. | |
4. | To examine quickly, from point to point, in search of something specific; | |
5. | (Electronics) To form an image or an electronic representation of, by passing a beam of light or electrons over, and detecting and recording the reflected or transmitted signal. |
Noun | 1. | scan - the act of scanning; systematic examination of a prescribed region; "he made a thorough scan of the beach with his binoculars" |
2. | scan - an image produced by scanning; "he analyzed the brain scan"; "you could see the tumor in the CAT scan" Synonyms: CAT scan | |
Verb | 1. | scan - examine minutely or intensely; "the surgeon scanned the X-ray" |
2. | scan - examine hastily; "She scanned the newspaper headlines while waiting for the taxi" | |
3. | scan - make a wide, sweeping search of; "The beams scanned the night sky" | |
4. | scan - conform to a metrical pattern | |
5. | scan - move a light beam over; in electronics, to reproduce an image | |
6. | scan - read metrically; "scan verses" | |
7. | scan - obtain data from magnetic tapes; "This dictionary can be read by the computer" Synonyms: read |
1. | SCAN - ["A Parallel Implementation of the SCAN Language", N.G. Bourbakis, Comp Langs 14(4):239-254 (1989)]. | ||
2. | SCAN - A real-time language from DEC. | ||
3. | scan - (computer peripheral) See scanner. | ||
4. | scan - (circuit design) See scan design. | ||
5. | scan - (functional programming) See scanl, scanr. | ||
6. | (storage, algorithm) | scan - An algorithm for scheduling multiple
accesses to a disk. A number of requests are ordered
according to the data's position on the storage device. This
reduces the disk arm movement to one "scan" or sweep across
the whole disk in the worst case. The serivce time can be
estimated from the disk's track-to-track seek time, maximum
seek time (one scan), and maximum rotational latency. Scan-EDF is a variation on this. |