Answer:
similarities:
To give input, the devices have an input device like a keypad or keyboard. Both display the results with the help of a screen. Both contain memory to store the data and the results. A calculator and a computer both are capable of performing numerical calculations.
differences:
The main difference between Computer and Calculator is that the Computer is a simple general-purpose device for performing arithmetic or logical operations and Calculator is a electronic device used to perform operations of arithmetic.
