A “drone” is: A. A helicopter with four propellers.

B. Any vehicle used on a seek-and-destroy mission.

C. Any experimental test vehicle.

D. An unmanned aircraft.

When you collaborate or meet with a person or group online, it is called

Leo is a recruitment executive for a large company. he has identified new labor resource requirements in both the marketing and production departments. what should be his first step in recruiting candidates for the positions? a. conduct background checks of candidates b. make job offers c. arrange interviews d. conduct reference checks e. place job ads on job sites

Take a critical look at three gui applications you have used—for example, a spreadsheet, a word-processing program, and a game. describe how well each conforms to the gui design guidelines listed in this chapter.