Quiz 5

In data structures, which type of tree is characterized by each node having at most two children?

• a) Binary Tree

• b) Balanced Tree

• c) B-Tree

• d) Quadtree

In Java, what is the purpose of the super keyword?

• a) To call a method in the current class

• b) To create a new instance of a class

• c) To call a method in the superclass

• d) To access the current instance variables

In JavaScript, what is the purpose of the bind() method?

• a) To create a new array

• b) To modify an object's prototype

• c) To attach an event listener

• d) To bind a function to a specific context

Which component of the MERN stack is responsible for handling routing and middleware functions?

• a) MongoDB

• b) Express.js

• c) React

• d) Node.js

What does the term "HTTP" stand for?

• a) Hyper Text Transmission Protocol

• b) Hyper Transfer Text Protocol

• c) Hyper Text Transfer Protocol

• d) High Text Transfer Protocol

What is a "bubble sort" in the context of sorting algorithms?

• a) A sorting algorithm with linear time complexity

• b) A sorting algorithm with logarithmic time complexity

• c) A sorting algorithm with quadratic time complexity

• d) A sorting algorithm with constant time complexity

In TypeScript, which type allows a variable to have multiple types?

• a) union

• b) any

• c) object

• d) mixed

Which of the following is a relational database management system (RDBMS)?

• a) MongoDB

• b) SQLite

• c) Redis

• d) Cassandra

What is the purpose of a JavaScript closure?

• a) To create a new instance of an object

• b) To encapsulate private data and behavior

• c) To generate random numbers

• d) To manage memory allocation

Which of the following is NOT a fundamental data type in Java?

• a) int

• b) char

• c) string

• d) double