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The data that is entered from the left side of the display unit is of

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in Microprocessor by (39.4k points)
The data that is entered from the left side of the display unit is of

(a) left entry mode

(b) right entry mode

(c) left and right entry modes

(d) none

I had been asked this question in a job interview.

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

1 Answer

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by (49.2k points)
Correct answer is (a) left entry mode

Easy explanation: The data that is entered from the left side of the display unit is of left entry mode, as in a type-writer the first character typed appears at the left-most position, while the subsequent characters appear successively to the right of the first one.

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