Microprocessors MCQs | Page - 3
Dear candidates you will find MCQ questions of Microprocessors here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A high on ----pin causes all 24 lines of three 8 bit ports to be in the input mode
✅ Correct Answer: (B)
RESET
Q. For i/o mode of 8255,if -----,the word is taken as a mode definition word
✅ Correct Answer: (A)
D7=1
Q. For i/o mode of 8255 ,if -----, the word is taken as a bit set/reset word
✅ Correct Answer: (B)
D7=0
Q. On activation of --------,8255 loads data from the input port lines into the input buffer of that port
✅ Correct Answer: (B)
IBF
Jump to