WGU C173 Ultimate Study Guide Latest 2022 Already Passed

abstraction Focus on the essential qualities of something rather than one specific example. actors An Actor in a use case is anything with behavior who lives outside of your system, outside of your application, but has a goal they want to accomplish within. algorithm A set of commands that return a value. This differs from a procedure, which is a set of commands that doesn't necessarily have to return a value. append() Mutates <List> by adding <Element> to the end of the list. argument The inputs to a procedure. Also called operands. attributes Characteristics of an object which may be used to reference other objects or save object state information. <name> = <expression> This is an assignment statement. A variable is named and also assigned a value or expression. If multiple values are assigned to the same named variable, the last assignment is the one used. base case An expression that has a value and is not defined in terms of some other thing we are defining. This breaks the chain of recursion. Boolean A value that is either True or False circular definition A definition that doesn't give us answers because it never finishes. It is stuck in a loop with each reference pointing to another reference. It has no base case