Rahul is working in the National Research Centre which predicts natural calamities, like earthquake, tsunami, etc. Which type of computer is used in this kind of research?

Ms Khanna is a professor of English in a university. She has to keep herself updated with the latest research in her field. She is not comfortable in using a keyboard. Which type of computer will you suggest her considering the nature of her job and preference?

What are the basic organizations of a computer system?

Mention the three components of a CPU.