Answer: The Atanasoff–Berry computer was the first automatic electronic digital computer. Limited by the technology of the day, and execution, the device has remained somewhat obscure. The ABC's priority is debated among historians of computer technology, because it was neither programmable, nor Turing-complete.
Explanation:
The answer is b It allows you to modify the animation for any properties using F-Curves. The Graph editor has two modes, F-Curve for Actions, and Drivers for Drivers. Both are very similar in function.