A ____________ is a identifier for a value that cannot be modified during the program’s execution.

A universal serial bus (USB) _____ drive is one example of a commonly used solid state secondary storage device (SSD).

Fill in the blank(s) with the appropriate word(s).

What does the following program segment do?

``` for (i = 1; i <= 5; i++) { for (j = 1; j <= 3; j++) { for (k = 1; k <= 4; k++) { System.out.print('*'); } System.out.println(); } System.out.println(); } ```