In 8051 microcontroller the resultant of two numbers added is ________.

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RRB ALP Electronics Mechanic 21 Jan 2019 Official Paper (Shift 3)
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  1. Erased
  2. not stored anywhere
  3. stored in the accumulator
  4. stored in the register

Answer (Detailed Solution Below)

Option 3 : stored in the accumulator
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Detailed Solution

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Accumulator in 8051 microcontroller

  • The Accumulator is a general-purpose register that is used to store the results of a large number of instructions.
  • It can hold an 8-bit (1-byte) value and is the most versatile register the 8051 has due to the many numbers of instructions that make use of the accumulator.
  • The accumulator is also identified as register A.
  • Whenever any arithmetic operation is performed between two numbers, the resultant of that operation is stored in the accumulator.

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