HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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Write any three difference points between Memory Mapped I/0 and I/O Mapped I/0 Addressing Scheme. - HSC Science (Computer Science) 12th Board Exam - Computer Science 2

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Question

Write any three difference points between Memory Mapped I/0 and
I/O Mapped I/0 Addressing Scheme.

Solution

  Memory mapped I/O I/O mapped I/O
1 I/O is assigned to the separate address space of memory. I/O is assigned with same address of memory.
2 Separate control signal is not required. It is required like IO/M.
3 Memory space is reduced due to insertion of I/O address.  Full memory space can be used.
4 It requires 16-bit address bus It uses 8-bit address bus only.
  Is there an error in this question or solution?

APPEARS IN

 2016-2017 (March) (with solutions)
Question 3.1.1 | 3.00 marks
Solution Write any three difference points between Memory Mapped I/0 and I/O Mapped I/0 Addressing Scheme. Concept: Introduction to Microprocessors and Organization of 8085.
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