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The registers that hold the address of the word currently being written by the CPU from the display RAM are

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in Microprocessor by (39.4k points)
The registers that hold the address of the word currently being written by the CPU from the display RAM are

(a) control and timing register

(b) control and timing register and timing control

(c) display RAM

(d) display address registers

This question was posed to me in examination.

My enquiry is from the Keyboard/Display Controller 8279 topic in section Special Purpose Programmable Peripheral devices and their Interfacing of Microprocessor

1 Answer

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by (49.2k points)
Right answer is (d) display address registers

Best explanation: The display address registers holds the address of the word currently being written or read by the CPU to or from the display RAM.

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