NATIONAL SCIENCE DAY

What is the time complexity of the Bubble Sort algorithm in the worst case?

• O(n)

• O(n log n)

• O(n²)

• O(log n)

Which data structure uses the LIFO (Last In, First Out) principle?

• Queue

• Stack

• Linked List

• Tree

What is the output of the following code snippet in Python?

x = 5

y = 2

print(x // y)

• 2.5

• 2

• 3

• 2.0

Which of the following is NOT a logical operator in programming?

• AND

• OR

• NOT

• XOR

What does the acronym "SQL" stand for?

• Structured Query Language

• Sequential Query Language

• Simple Query Language

• Standard Query Language

Which of the following is a non-linear data structure?

• Array

• Stack

• Tree

• Queue

What is the binary representation of the decimal number 10?

• 1010

• 1100

• 1001

• 1110

Which sorting algorithm has the best time complexity in the average case?

• Bubble Sort

• Quick Sort

• Insertion Sort

• Selection Sort

What is the output of the following code snippet in Java?

int x = 10;

System.out.println(x++);

• 10

• 11

• 9

• Error

Which of the following is NOT a type of machine learning?

• Supervised Learning

• Unsupervised Learning

• Reinforcement Learning

• Compilation Learning