Multiple choice:(neuds) the principle of accessing data elements in a queue is ().
(neuds) the principle of accessing data elements in a queue is ()@[ A](2)
A. First in first out
B. First in, then out
C. Last in first out
D. There are no restrictions
A. First in first out
B. First in, then out
C. Last in first out
D. There are no restrictions
answer:A
A. First in first out
B. First in, then out
C. Last in first out
D. There are no restrictions
A. First in first out
B. First in, then out
C. Last in first out
D. There are no restrictions
answer:A