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Question

Which of the following is NOT a member of the microcontroller Intel 8051 series?

The correct answer is

8044AH

The Intel 8051 series consists of several types of microcontrollers. To determine which option is NOT part of this series, let's summarize the commonly known derivatives:

  • 80C31BH: A variation of the 8051 with additional features.
  • 80C51BH: Another variant of the standard 8051 series.
  • 87C51: A member of the 8051 series with EPROM support.
  • 8044AH: This is not a known member of the Intel 8051 microcontroller series.

Therefore, the correct answer is 8044AH, as this is NOT a member of the Intel 8051 series.

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Important Questions from Microprocessors

  1. Register which is used to store values of arithmetic and logical operations is termed:

  2. How many bytes of bit addressable memory is present in 8051 based microcontrollers?

  3. A single instruction to clear the lower four bits of the accumulator in 8085 assembly language is-

  4. In Microprocessor 8085 Address/Data buffer is a/an _______ buffer.

  5. Microprocessor 8085 operates on a clock cycle with ______ duty cycle.

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