Which pin of the external hardware is said to exhibit INT0 interrupt?
A. pin no 10
B. pin no 11
C. pin no 12
D. pin no 13
Answer:A
Which pin of the external hardware is said to exhibit INT0 interrupt?
A. pin no 10 B. pin no 11 C. pin no 12 D. pin no 13
Explanation: INT0 interrupt is caused when pin no 12 in the hardware of the 8051 controller is enabled with a low levelled pulse.