Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

What provides an array of buttons for quick access to commonly used commands and tools

Visualizing a game of “tag” to remember the meaning of contagious