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Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)
The FIFO status word is used to indicate the error in
A)
keyboard mode
B)
strobed input mode
C)
scanned sensor matrix mode
D)
keyboard and strobed input mode

Correct Answer : Option (D) :   keyboard and strobed input mode


Explanation : Overrun error occurs when an already full FIFO has attempted an entry. Underrun error occurs when an empty FIFO read is attempted.

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