MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these are valid STACK commands?
A
Stack.Peek
B
Stack[x]
C
len(stack)
D
stack.isFull()
Explanation: 

Detailed explanation-1: -isFull() isFull function is used to check whether or not a stack is empty.

Detailed explanation-2: -Syntax Of Using Stack In C++ stack <type> stackName; stack is the name of the stack template keyword we use to construct a stack object. type is a valid C++ data type passed as an argument to the stack template. It indicates the data type of the elements stored in the stack.

Detailed explanation-3: -Types of Stack. There are two types of stacks they are register stack and the memory stack.

Detailed explanation-4: -A Stack can be used for evaluating expressions consisting of operands and operators. Stacks can be used for Backtracking, i.e., to check parenthesis matching in an expression. It can also be used to convert one form of expression to another form. It can be used for systematic Memory Management.

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