Answer: The program completed in a quarter of the time with four computers versus one computer
Explanation:
Distributed computing simply means using distributed systems in solving computational problems and this is done as the problem is divided into many tasks, whereby the tasks are accomplished by one or more computers.
Following the information given in the question, a speedup of 4 indicate that the program completed in a quarter of the time with four computers versus one computer.
<u>Answer</u>:
Crust is destroyed: A. near ocean ridges.
<u>Explanation</u>:
Crust can be explained as the outermost shell of terrestrial planet. The formation of earth is with three layers. These are mantle, core and crust. The formation of crust is with solid rocks as well as minerals. The beneath part of crust is mantle and it also made with hard rock and minerals. The layers of earth are constantly contact to each other. The formation of oceanic crust is at mid ocean ridges while it has been devastated at the subduction zones. According to some research, the crust has been at its higher levels of destruction.