Microprocessors are electronic devices used to run computer programs. The central processing unit (CPU) and other components (for example, memory, input/output (I/O) interfaces, and control circuits) are combined on a single chip.

Microprocessors are the “brain” of a computer and are responsible for running the instructions of computer software. It is used in Internet computers, smartphones, tablets, and many other types of electronic devices.

Different types are available and vary in performance, power consumption, and other features. Some microprocessors are designed for high-performance computers, while others are designed for low-power devices such as smartphones and tablets.

Microprocessors are classified by the number of bits they can process at a time, with 8-bit, 16-bit, 32-bit, and 64-bit microprocessors being the most common. The number of bits the microprocessor can process at a time determines the amount of data it can process and the speed at which it executes instructions.