If the external interrupt sources control the flags IE0 and IE1, then the interrupt programmed is
A. level-sensitive
B. edge-sensitive
C. in serial port
D. in parallel port
Answer:A
If the external interrupt sources control the flags IE0 and IE1, then the interrupt programmed is
A. level-sensitive B. edge-sensitive C. in serial port D. in parallel port
Explanation: If the interrupts are programmed as level sensitive, then the flags IE0 and IE1 are controlled by external interrupt sources themselves.