What is the main difference between a mainframe and a super computer?

• A. Super computer is much larger than mainframe computers
• B. Super computers are much smaller than mainframe computers
• C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
• D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.