QUESTION 17 The operation ____ is used to remove the top element from the stack.
ID: 3773094 • Letter: Q
Question
QUESTION 17
The operation ____ is used to remove the top element from the stack.
A.pop
B.push
C.peek
QUESTION 19
A queuing system only consists of queues of objects waiting to be served.
True
False
QUESTION 31
The ____ operation is used to add an element onto the stack.
A.push
B.pop
C.add
QUESTION 38
A B-tree can be ____ in three ways: inorder, preorder, and postorder.
A.copied
B.reversed
C.traversed
QUESTION 42
Assuming deq is a deque object, the expression deq.push_front(elem) deletes the first element from deq.
True
False
Explanation / Answer
QUESTION 17
The operation _pop___ is used to remove the top element from the stack.
A.pop (ANSWER)
B.push
C.peek
QUESTION 19
A queuing system only consists of queues of objects waiting to be served. - True
True (ANSWERS)
False
QUESTION 31
The _push___ operation is used to add an element onto the stack.
A.push (ANSWER)
B.pop
C.add
QUESTION 38
A B-tree can be _traversed___ in three ways: inorder, preorder, and postorder.
A.copied
B.reversed
C.traversed (ANSWER)
QUESTION 42
Assuming deq is a deque object, the expression deq.push_front(elem) deletes the first element from deq.
True
False (ANSWER)