Solution
Correct Answer: Option B
- Microcontrollers are small, low-cost embedded computers that are used in a wide variety of applications.
- Single-board computers are embedded computers that are mounted on a single circuit board.
- SoCs are integrated circuits that combine a processor, memory, and other components on a single chip.
- A mechanical calculator is a device that is used to perform arithmetic operations. Mechanical calculators do not use embedded computers. Instead, they use a system of gears and levers to perform calculations.