In stack, to display the lastly inserted element without removing it, which function is used?

Related MCQs

• Inserting an item into the stack when stack is not full is called …………. Operation and deletion of item form the stack, when stack is not empty is called ………..operation.
• When a stack is organized as an array, a variable named Top is used to point to the top element of the stack. Initially, the value of Top is set to_______to indicate an empty stack.
• Pushing an element into stack already having five elements and stack size of 5, then stack becomes
• Process of removing an element from stack is called
• In a stack, if a user tries to remove an element from empty stack it is called
• What happens when the stack is full and there is no space for a new element, and an attempt is made to push a new element?
• Suppose implementation supports an instruction REVERSE, which reverses the order of elements on the stack, in addition to the PUSH and POP instructions. Which one of the following statements is TRUE with respect to this modified stack?
• Process of inserting an element in stack is called
• Process of inserting an element in stack is called ____________.
• Suppose you are given an implementation of a queue of integers. The operations that can be performed on the queue are: i. isEmpty (Q) — returns true if the queue is empty, false otherwise. ii. delete (Q) — deletes the element at the front of the queue and returns its value. iii. insert (Q, i) — inserts the integer i at the rear of the queue. Consider the following function: void f (queue Q) { int i ; if (!isEmpty(Q)) { i = delete(Q); f(Q); insert(Q, i); } }What operation is performed by the above function f ?