Question

which of the following statements is true?

a. supercomputers use single-user multitask operating systems.

b. single-user operating systems are commonly used in robotics.

c. windows and macintosh operating systems are the most commonly used single-user multitask operating systems.​

Answer 1

Answer:

The negative square root solution inside the horizon represents a white hole. A white hole is a black hole running backwards in time. Just as black holes swallow things irretrievably, so also do white holes spit them out. White holes cannot exist, since they violate the second law of thermodynamics