Which of the following combination is the best to enable the external hardware interrupt 0 of the IE register (assuming initially all bits of the IE register are zero)?
A. EX0=1
B. EA=1
C. any of the mentioned
D. both of the mentioned
Answer:A
Which of the following combination is the best to enable the external hardware interrupt 0 of the IE register (assuming initially all bits of the IE register are zero)?
A. EX0=1 B. EA=1 C. any of the mentioned D. both of the mentioned