The use of virtual reality technology, especially for remote control of machinery or for apparent participation in distant events.
Answer:
The answer is A)
Explanation:
In programming languages like java you can only use single inhertance meaning a class can only inherit attributes from one class. But in other languanges like C you can have multiple inhertance
ATX
microATX (smaller version of ATX)
mini-ITX (smaller version of microATX)