| A. | Devices have 8-bit addresses |
| B. | Devices are accessed using IN and OUT instructions |
| C. | There can be a maximum of 256 input devices and 256 output devices |
| D. | Arithmetic and logic operations can be directly performed with the I/O data. |
Answer : D Explanation : Avinash A said: (2:12pm on Sunday 27th August 2017)
Memory mapped IO uses 16bit address devices.Control signals used in memory mapped IO are MEMR(bar) MEMW(bar).All memory related instructions can be used in this.Data transfer between any register and IO.64K memory is shared between IO and system.Arithmetic or logical operations can be directly performed with IO data
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
