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Related: scene - time

Sequence (film)

In film parlance, a sequence is a series of scenes which comprise a distinct narrative unit, usually connected either by unity of location or unity of time. For example, in a heist film, there might well be an extended recruitment sequence where the leader of the gang collects together his or her co-conspirators, a robbery sequence, an escape sequence, and so on. Each of these sequences might well contain sub-sequences; for example the robbery sequence might consist of an entry sequence, a safe-cracking sequence, and so on.

The sequence is just one structural unit in the hierarchy which is used to describe the structure of films in varying degrees of granularity. Analysed this way, a film is comprised of a one or more acts; acts are comprised of a one or more sequences; sequences are comprised of one or more scenes, and scenes may be thought of as being built out of shots (if one is thinking visually) or beats (if one is thinking in narrative terms). --http://en.wikipedia.org/wiki/Sequence_%28film%29 [Mar 2006]

Sequential access

In computer science sequential access means that a group of elements (e.g. data in a memory array or a disk file or on a tape) is accessed in a predetermined, ordered sequence. Sequential access is sometimes the only way of accessing the data, e.g. if it is on a tape, or it may be the access method of choice, e.g. if each and every data element must be processed in the given order. --http://en.wikipedia.org/wiki/Sequential_access, Mar 2004

Random access [...]

Random access is the ability to access a random element of a group in equal time. The opposite is sequential access, where a remote element takes longer time to access. A typical illustration of this distinction is the ancient scroll (sequential) and the book where any random page can be flipped open immediately. A more modern example is computer storage on magnetic tape on spools (sequential) and hard disks (random access). --http://en.wikipedia.org/wiki/Random_access, Feb 2004

Another example is the vinyl analogue disc and CD vs tape

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