If the stack flag is set, and condition code bit C1=0, then the stack is
A. full
B. overflown
C. underflown
D. empty
Answer:A
If the stack flag is set, and condition code bit C1=0, then the stack is
A. full B. overflown C. underflown D. empty
Explanation: If the stack flag is set, and condition code bit C1=0, then the stack has underflown.