6. Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?
7. A global network of millions of business, government, educational, and research networks; computer systems; database; and end users. Select the best fit for answer:
10. A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as