subroutine

[suhb-roo-teen]

sub·rou·tine

[suhb-roo-teen]
noun Computers.
an instruction sequence in a machine or assembly language program that can be prewritten and referred to as often as needed. Compare procedure (def. 4a).

Origin:
1945–50; sub- + routine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Subroutine is always a great word to know.
So is object-oriented. Does it mean:
pertaining to a system or programming language that supports the use of objects, such as an entire image, a routine, or a data structure
to move text up, down or across a display screen, with new text appearing on the screen as old text disappears
Collins
World English Dictionary
subroutine (ˈsʌbruːˌtiːn)
 
n
Also called: procedure a section of a computer program that is stored only once but can be used when required at several different points in the program, thus saving space

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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FOLDOC
Computing Dictionary

subroutine definition

programming
(Or "procedure") A sequence of instructions for performing a particular task. Most programming languages, including most machine languages, allow the programmer to define subroutines. This allows the subroutine code to be called from multiple places, even from within itself (in which case it is called recursive). The programming language implementation takes care of returning control to (just after) the calling location, usually with the support of call and return instructions at machine language level.
Most languages also allow arguments to be passed to the subroutine, and one, or occasionally more, return values to be passed back.
A function is often very similar to a subroutine, the main difference being that it is called chiefly for its return value, rather than for any side effects.
(1996-10-01)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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