Quiz 3

Which part of the CPU performs arithmetic and logical operations?

• a) ALU (Arithmetic Logic Unit)

• b) Control Unit

• c) Cache Memory

• d) RAM (Random Access Memory)

Which of the following is an example of a volatile memory?

• a) Hard Disk Drive

• b) SSD (Solid State Drive)

• c) Flash Drive

• d) RAM (Random Access Memory)

In JavaScript, what does the NaN value represent?

• a) Not a Number

• b) Null and Negative

• c) Negative and Null

• d) No Actual Number

In Java, which keyword is used to prevent a class from being inherited by other classes?

• a) sealed

• b) final

• c) static

• d) private

In the MERN stack, which component is responsible for managing the application's state?

• a) MongoDB

• b) Express.js

• c) React

• d) Node.js

Which SQL command is used to retrieve data from a database?

• a) GET

• b) SELECT

• c) FETCH

• d) QUERY

The "Traveling Salesman Problem" is an example of which type of problem in computer science?

• a) Pseudocode problem

• b) Optimization problem

• c) Sorting problem

• d) Searching problem

Which data structure represents a hierarchical structure with a top-down approach?

• a) Queue

• b) Stack

• c) Tree

• d) Graph

What is the purpose of a compiler?

• a) To execute a program

• b) To interpret a program

• c) To translate a program into machine code

• d) To debug a program

Who is credited with the invention of the World Wide Web (WWW)?

• a) Tim Cook

• b) Linus Torvalds

• c) Tim Berners-Lee

• d) Steve Jobs