- AVaccum Tubes and Magnetic Drum
- BIntegrated Circuits
- CMagnetic Tape and Transistors
- DAll of above
Explanation: A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. It is not limited to performing calculations only, but can also perform a wide range of tasks.
Explanation: The processing element in a modern computer carries out arithmetic and logical operations.
Explanation: Data input was provided to the Analytical Engine via punched cards, a method used at the time to direct mechanical looms.
Explanation: A dozen differential analyzers were built before their obsolescence became obvious