[PDF] 8085 and 8086 microprocessor

The 8085 is an accumulator based 8-bit microprocessor which can process 8-bit of data at a time. The 8086 is a register based 16-bit microprocessor which can process 16-bit of data at a time. The 8085 microprocessor is an 8-bit accumulator based microprocessor.
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  • What is the difference between 8085 and 8086 registers?

    8085 is accumulator-based as the accumulator contains major activity in ALU Operations in store and updating calculations. 8086 is register-based as there is no specific Accumulator attached to the input of ALU. The address bus is 16 bits. The address bus is 20 bits.

  • What is the difference between 8085 and 8086 and 8088?

    8085 has an IO/ pin to differentiate between memory and I/O operations. 8086 has an M/ pin to differentiate between memory and I/O operations. 8088 has an IO/ pin to differentiate between memory and I/O operations. 8085 has no pre-fetchqueue.

  • What is the difference between 8085 and 8086 addressing mode?

    Key differences between 8085 and 8086 Microprocessor
    The address bus size in case of 8085 microprocessor is 16-bit whereas in case of 8086 microprocessor it is of 20-bit. The memory addressing capacity of 8085 is 216 i.e., 64 KB. On the contrary, the memory addressing the capacity of 8086 is 220 i.e., 1 MB.
  • Assertion (A): Architecturally 8086 ?P is totally different from its predecessor 8085 ?P but functionally it is downward compatible with 8085. Reason (R): The segmented architecture was introduced in 8086 ?P to keep compatibility with 8085 ?p.
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Features of 8086 Comparison between 8085 & 8086 Microprocessor

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[PDF] Features of 8086 Comparison between 8085 & 8086 Microprocessor

Size ? 8085 is 8-bit microprocessor whereas 8086 is 16-bit microprocessor • Address Bus ? 8085 has 16-bit address bus while 8086 has 20-bit address bus



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[PDF] Chapitre 1 : Architecture et fonctionnement dun microprocesseur

8085 microprocessor does not support memory segmentation 8086 microprocessor supports memory segmentation It has less number of transistors compare to 8086