8051 Microcontroller Interview Questions

8051 Microcontroller Interview Questions for Beginners

  • Dhanush Kuppusamy
  • 14th Jan, 2023

8051 Microcontroller Interview Questions

1) Explain what is Intel MCS-51?

It is a single-chip microcontroller (MCU) series. It is the first microcontroller of the MCS-51 family developed by Intel Corporation in 1980. It is used in the field of embedded systems. The microcontroller acts as the heart of the embedded system. It is a controlling device in which memory and I/O output component are present internally. It can be used in a compact system. Therefore microcontroller is more efficient. The microcontroller has many registers. Therefore a program is easier to write. A microcontroller has no zero flags. It is mainly used in washing machines, air conditioners, etc.

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