STACK Pop Quiz

STACK Pop Quiz

University

15 Qs

quiz-placeholder

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STACK Pop Quiz

STACK Pop Quiz

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

MUHAMMAD HAFIZ AFIQ BIN KHALID

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does LIFO stand for in the context of a stack?

Last In, Last Out

First In, First Out

Last In, First Out

First In, Last Out

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during a *stack underflow*?

The stack is full

An attempt is made to pop from an empty stack

The stack contains invalid data

The stack is corrupted

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two structures are required to implement a linked list stack?

Array and pointer

Stack head (metadata) and data nodes

Queue and linked list

Stack and heap

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a stack help in reversing data?

By sorting elements in ascending order

By pushing elements in and popping them in reverse order

By randomly shuffling elements

By deleting the middle element first

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the postfix form of the infix expression `A + B * C`?

`A B + C *`

`A B C * +`

`A B C + *`

`A + B C *`

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of evaluating the postfix expression `3 4 + 5 *`?

12

23

35

47

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the `pushStack` algorithm, which step ensures the new node becomes the top?

`stack.count++`

`newPtr->data = data`

`stack.top = newPtr`

`newPtr->next = stack.top`

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