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Linked List Stack Implementation Quiz

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Questions and Answers

In implementing a stack using a linked list, why do we avoid the size limitation of a stack implemented with an array?

Because a linked list can dynamically adjust its size to accommodate new elements (correct)
Because arrays have a fixed size and cannot accommodate additional elements
Because arrays have a slower push and pop operations compared to linked lists
Because linked lists have a faster push and pop operations compared to arrays

What is the primary behavior of a stack?

Sequential access
Random access
First in, first out (FIFO)
Last in, first out (LIFO) (correct)

Why do we push and pop elements at the end of the array when implementing a stack, instead of the beginning?

To prevent memory fragmentation
To ensure faster access to elements at the beginning of the array
To maintain a consistent order of elements in the array
To avoid the overhead of shifting elements towards right and left (correct)

What are the two primary operations of a stack?

push() and pop() (A) Signup and view all the answers

How does a linked list help avoid the size limitation of a stack implemented with an array?

By dynamically adjusting its size to accommodate new elements (B) Signup and view all the answers

How does implementing a stack using a linked list help avoid the size limitation of a stack implemented with an array?

Implementing a stack using a linked list helps avoid the size limitation of a stack implemented with an array by dynamically allocating memory for each new element, allowing the stack to grow as needed without being constrained by a fixed-size array. Signup and view all the answers

What is the primary advantage of pushing and popping elements at the end of the array when implementing a stack?

The primary advantage of pushing and popping elements at the end of the array when implementing a stack is to avoid the overhead of shifting elements towards the left when popping an element from the start and towards the right when pushing an element at the start, which is necessary when pushing and popping at the beginning of the array. Signup and view all the answers

Explain the lifo behavior of a stack and how it relates to the push() and pop() operations.

The lifo behavior of a stack means last in, first out, where the last element added to the stack is the first one to be removed. This lifo behavior is achieved through the push() operation, which adds elements to the top of the stack, and the pop() operation, which removes the top element from the stack. Signup and view all the answers

What is the significance of deciding where to insert and delete elements in a linked list when implementing a stack?

The significance of deciding where to insert and delete elements in a linked list when implementing a stack is to ensure that the push and pop operations run at the fastest speed possible, as these operations are fundamental to the behavior of a stack and should be efficient. Signup and view all the answers

How does a stack using a linked list differ from a stack implemented with an array in terms of memory allocation?

A stack using a linked list dynamically allocates memory for each new element, allowing it to grow as needed, while a stack implemented with an array has a fixed-size memory allocation, leading to a size limitation and potential overflow or underflow issues. Signup and view all the answers