Respuesta :
He input operation that is performed just before a validation loop is known as the priming read.
Priming read refers to the input operation that comes before the loop because it sets up or initializes the loop variable. The next input is obtained using the input operation at the bottom of the loop. Because it alters the loop variable inside the loop, it is referred to as the modification read.
In other words, before the loop begins, the first item is retrieved. Since it initiates the process, this is often referred to as the priming read. The loop ends and no data is handled if the first item is the sentinel. If not, processing continues and the subsequent item is read.
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