Question: letter or 8 . 1 4 . A computer operating system allows files to be named using any combination of uppercase letters ( A -

letter or 8.14. A computer operating system allows files to be named using any combination of uppercase letters (A-Z) and digits (0-9), but the number of characters in the file name is at most eight (and there has to be at least one character in the file name). For example, x23,W,4AA, and ABCD1234 are valid file names, but W-23 and WONDERFUL are not valid (the first has an improper character, and the second is too long).
How many different file names are possible in this system?
letter or 8.14. A computer operating system allows files to be

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