You suspect that someone accessed the desktop computer that you use at work. Which of these is most likely to help you figure out what really happened? A. a packet switcher
B. the NOS’s user log
C. the POP/MAC converter
D. the firewall

Write a program that reads a file consisting of students’ test scores in the range 0–200. it should then determine the number of students having scores in each of the following ranges: 0–24, 25–49, 50–74, 75–99, 100–124, 125–149, 150–174, and 175–200. output the score ranges and the number of students. (run your program with the following input data: 76, 89, 150, 135, 200, 76, 12, 100, 150, 28, 178, 189, 167, 200, 175, 150, 87, 99, 129, 149, 176, 200, 87, 35, 157, 189.)

Three out of five seniors remain undecided about a college major at the end of their senior year.

The valves of the heart and veins are similar in that they both