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Explain the architecture of 8086 processor. What is the need for memory segmentation.
written 7.8 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.2 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
microprocessors and microcontrollers
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written 7.8 years ago by gravatar for teamques10 teamques10 ★ 65k

As 8086 does 2-stage pipelining (overlapping fetching and execution), its architecture is divided into two units:

  1. Bus Interfacing Unit (BIU)
  2. Execution Unit (EU)

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Bus Interfacing Unit (BIU)-

  • It provides the interface of 8086 to external memory and I/O devices.
  • It operates with respect to bus cycles (machine cycles). This means …

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