How is a simulator different from an emulator?

• A. emulators are only used to play old snes games, simulators are used for software development
• B. the emulator is shipped with the android sdk and third party simulators are not
• C. the emulator can virtualize sensors and other hardware features, while the simulator cannot
• D. the emulator imitates the machine executing the binary code, rather than simulating the behavior of the code at a higher level.