Answer B (Data storage system)
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>
Im only in 4th sorry i dont think i can help
No I don’t think so personally
