The bits that control the external interrupts are
A. ET0 and ET1
B. ET1 and ET2
C. EX0 and EX1
D. EX1 and EX2
Answer:A
The bits that control the external interrupts are
A. ET0 and ET1 B. ET1 and ET2 C. EX0 and EX1 D. EX1 and EX2
Explanation: The bits, EX0 and EX1 individually control the external interrupts, INT0(active low) and INT1(active low). If INT0(active low) and INT1(active low) interrupts are to be enabled then the bits EX0 and EX1 must be set respectively.