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प्रश्न
Write any three difference points between Memory Mapped I/0 and
I/O Mapped I/0 Addressing Scheme.
उत्तर
| 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. |
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Introduction to Microprocessors and Organization of 8085
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