1. Who is known as the Father of the Computer?
Answer: Charles Babbage is known as the Father of the Computer. He designed the Analytical Engine in the 1830s.
2. What is the function of the CPU in a computer?
Answer: The CPU (Central Processing Unit) processes instructions and controls all operations within the computer.
3. What does RAM do in a computer?
Answer: RAM (Random Access Memory) temporarily stores data and applications that are currently in use for quick access by the CPU.
4. What was the name of the first computer virus?
Answer: The first computer virus was called “Creeper,” developed in the early 1970s.
5. What is the main storage device in a computer?
Answer: The Hard Disk Drive (HDD) or Solid State Drive (SSD) serves as the primary storage device in a computer.
6. What is an IP Address?
Answer: An IP Address (Internet Protocol Address) is a unique numerical label assigned to each device connected to a network.
7. What is the full form of USB?
Answer: USB stands for Universal Serial Bus.
8. What is the difference between software and hardware?
Answer: Hardware refers to the physical components of a computer, while software refers to the programs and operating systems.
9. What was the first general-purpose electronic computer?
Answer: ENIAC (Electronic Numerical Integrator and Computer), developed in 1945.
10. What is the most widely used operating system in the world today?
Answer: Microsoft Windows is the most widely used desktop operating system, while Android leads on mobile devices.
11. What is cloud computing?
Answer: Cloud computing is the delivery of computing services like storage, databases, and software over the internet (“the cloud”).
12. What is the full form of HTML?
Answer: HTML stands for HyperText Markup Language, used to create webpages.
13. Which programming language is most commonly used today?
Answer: Python is one of the most popular and widely used programming languages as of 2025.
14. What is meant by “booting” a computer?
Answer: Booting is the process of starting up a computer and loading the operating system into memory.
15. What is the main function of an operating system?
Answer: The operating system manages hardware resources and provides a user interface to interact with the computer.
16. What is meant by open-source software?
Answer: Open-source software is software whose source code is publicly available and can be modified or distributed by anyone.
17. What is a web browser?
Answer: A web browser is an application used to access and view websites on the internet (e.g., Chrome, Firefox, Safari).
18. What is artificial intelligence in the context of computers?
Answer: Artificial intelligence (AI) is the simulation of human intelligence in machines that can learn, reason, and make decisions.
19. What is a firewall in computer networking?
Answer: A firewall is a security system that monitors and controls incoming and outgoing network traffic based on rules.
20. Who founded Microsoft, and when?
Answer: Microsoft was founded by Bill Gates and Paul Allen in 1975.