A one-way flag<span> can also be </span>used<span>, for example, to watch errors occuring in input data so that the program </span>could<span> ask the inputs again. A </span>variable<span> is a temporary if its value is always needed only for a very short period.</span>
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Binary numbers are expressed using only the digits 1 and 0. This is also referred to as base 2 notation.
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Selection statements (sometimes called conditional statements) can be defined as code (statements) that is executed only when a certain condition is satisfied.Selection is a powerful tool to control when and which code statements will run.