PLS HELP Creating a Multimedia Presentation to Demonstrate Knowledge of Arts, A/V Technology, and Communication Careers

How can you know if the person or organization providing the information has the credentials and knowledge to speak on this topic? one clue is the type of web site it is--the domain name ".org" tells you that this site is run by a nonprofit organization.

The forerunner to cell phones, pdas, and smartphones was

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .