In a(n) ____________________ operating system, multiple programs can be running at the same time.?

How do you write 2.5 ^ 3.1 in Java?

a. 2.5 * 3.1 b. Math.pow(2.5, 3.1) c. Math.pow(3.1, 2.5) d. 2.5 ** 3.1 e. 3.1 ** 2.5

____________________ are personal computers or microcomputers where users reside.?

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