EXERCISES 41 A certain single-processor computer is to be used to execute five user programs. These programs may be run in any order; however, each requires a specific set of files to be resident in main memory during its execution. Furthermore, a certain amount of time is EXERCISES 41 A certain single-processor computer is to be used to execute five user programs. These programs may be run in any order; however, each requires a specific set of files to be resident in main memory during its execution. Furthermore, a certain amount of time is