Cartesian coordinates 



Values representing the location of a 

 point in a plane in relation to two 

 intersecting straight lines, called 

 axes. The point is located by 

 measuring its distance from each axis 

 along a parallel to the other axis. 

 If the axes are perpendicular to each 

 other, the coordinates are rectangular; 

 if not perpendicular, they are oblique 

 coordinates. This system is extended 

 to represent the location of points in 

 three-dimensional space by referencing 

 to three mutually perpendicular 

 coordinate axes which intersect at a 

 common point of origin. 



COMMON 



Is a specification statement, used 

 during compilation rather than 

 execution as a convenient method for 

 passing values between main program 

 and subprograms without mentioning 

 them as arguments. 



COMPASS 



Control Data Corporation assembly 

 language for CDC 3000- and 6000- 

 series computers. 



DATA 



Is a specification statement, used 

 during compilation rather than 

 execution as a convenient method for 

 entering data value into referenced 

 storage areas. 



Data 



Any representations such as characters 

 or analog quantities to which meaning 

 might be assigned. 



Deck 



Dependent variable 



A collection of punched cards. 



A fixed variable given as a function 

 of another variable, i.e., if y is 

 given as a function of x, then, y is 

 the dependent variable. 



Digitize 



(1) The conversion of graphical analog 

 information or characters into digital 

 form, usually for the purpose of rapid 

 manipulation or storage by a digital 

 computer (2) to express data in a 

 digital form. 



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