8-bit microcontroller programming, What is a microcontroller, 8-bit computing

 PIC16F Series 14 kB Flash 368 B RAM 20 MHz 8-Bit Microcontroller - SDIP-28

https://www.futureelectronics.com/p/semiconductors--microcontrollers--8-bit/pic16f876a-i-sp-microchip-9258138