Write an application program that creates and prints a random phone number of the form XXX-XXX-. Include the dashes in the output. Do not let the first three digits be 8 or 9 and make sure the second set of three digits is not greater than 742.

What was the advantage of using transistors instead of vacuum tubes in the second-generation computers? a. computers were drastically reduced in size. b. computers no longer produced errors. c. computers became affordable. d. computers could run on electricity.