A-level Computing 2009/AQA/Problem Solving, Programming, Data Representation and Practical Exercise/Definitions

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Local variable - declared within subroutines or programming blocks, their local scope means they can only be used within the subroutine or program block they were declared in


Global variable - declared at start of program/module, can be used/accessed in every procedure/subroutine


Pixel - The smallest addressable part of a bitmap image


Database - A persistent, structured list of related items, held on a computer and searchable


term - definition


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term - definition