Using a while loop’s counter-control variable in a calculation after the loop ends often causes a common logic error called:

Which of the following data sensitivity classifications is often broken into sections on a need-to-know basis?

A. Public information B. Confidential information C. Internal information D. Top secret information

Answer the following statements true (T) or false (F)

1. MS-DOS was once the world’s most commonly used microcomputer operating system. 2. Today, Windows runs on top of MS-DOS. 3. Every operating system contains a set of resident routines that must be in memory at all times. 4. The MS-DOS resident core typically consists of the BIOS. 5. The command processor or shell is considered part of the MS-DOS kernel.