STACK

Which statement is correct with respect to stack?

• It is a non-linear data structure

• Stack is a LIFO data structure

• All the above

• None of the Above

Choose correct output for the following sequence of operations

push(5)

push(8)

pop

push(2)

push(5)

pop

pop

pop

push(1)

pop

• 8 5 2 5 1

• 8 5 5 2 1

• 8 2 5 5 1

• 8 1 2 5 5

Stack can be implemented using _________ and ________ ?

Only top element can be accessed in stack

• TRUE

• FALSE

LIFO stands for

• List of Outputs

• Last in First Out

• First in Last Out

• None of them

Act of adding values into a stack is called

• Popping

• Polling

• Pushing

• None

Consider the following operation performed on a stack of size 5.

Push(1);

Pop();

Push(2);

Push(3);

Pop();

Push(4);

Pop();

Pop();

Push(5);

After the completion of all operation, the no of element present on stack are

• 1

• 2

• 3

• 4

If the elements “A”, “B”, “C” and “D” are placed in a queue and are deleted one at a time, in what order will they be removed?

• ABCD

• DCBA

• DCAB

• ABDC

If you carry out a pop operation on this stack what will you be left with?

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