List some features of 8051 Microcontroller 8051 microcontroller is an 8-bit microcontroller. It is built with 40 pins DIP (dual inline package), 4kb of ROM storage and 128 bytes of RAM storage, 2 16-bit timers.8051 microcontroller is designed by Intel in 1981. It consists of are four parallel 8-bit ports, which are programmable as well as addressable as per the requirement. #microcontroller #features #onlineinterviewquestions