What is the most important precaution to take when using social networking sites like facebook? use discretion monitor friend requests closely use privacy settings have a strong password

Sam is a data analyst at an advertising firm. he often uses a spreadsheet that contains media ratings details. he would like to filter the spreadsheet data based on different filter criteria. which operators can he use to specify the combination of filter criteria? sam can use the ( blank ) operators to specify a combination of filter criteria.

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.