D. can be viewed on a screen
100% sure
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B occurrences because you taking the probability of something <span />
Answer:
D. It allows the computer communicate with the World Wide Web.
Explanation:
The Web (as it is called ) has so much content that can be accessed by the Computer only when the computer user is connected to the Internet using a Web Browser.
Without it, the user can't access the contents of the WWW.
