Answer:
An operating system is a software that helps the any computers basic needs or functions. For example, the windows on a computer is a operating system.
Explanation:
design of the network
security for the network
documentation
identifying and fixing issues
If we are talking about a simple North American Keyboard, The answer would be F1 to F12
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Answer:
The answer to this question is "True".
Explanation:
The term video calling is part of communication. In this type of communication will be used in every place like house, office for video conferencing, etc. It was developed in 1968 by AT&T's Bell Labs. It works on internet.This type of calling we can face to face communicate means, we watch the person. In the video calling, there is no need for a schedule it is used as a phone call.