Which of the following integrity security mechanisms ensures that a sent message has been received intact, by the intended receiver?

In Microsoft Visual Basic (VBA), a statement that documents what the code does is a ________

A) procedure B) comment C) control D) sub

Which of the following is NOT a typical step in the process for installing new hardware on a Mac OS X system?

A. shut down the system B. attach new hardware C. configure dip switches D. insert DVD/CD-ROM