Explanation:
Iinternet is hudge graphicla network and intranet is small network as compare to internet
Well first u have to know what Instant messaging is .When you instant message a person, you usually find a friend at your school or work who also have the same messenger system. Then you download either yahoo messenger or aol messenger which are both free of cost and viruses.Texting is just the same Only difference is data and how u have to pay to text. I hoped i helped
The answer is Mac Address
media access control address<span> </span>
Answer:
Provision of both audio and video
,dedicated support
Explanation:
Free services are not dedicated digital lines so there is no guarantee of high-quality sound or a reliable connection during the call. Some common issues are background noises, crackling, echoes, distortion, quietness and drop-outs.Free services also don't offer dedicated support so if anything goes wrong there's nobody available to help you. Any of these problems can ruin the productivity and flow of your meeting.
D is the best answer hope this help my love