My new palmtop computer is very convenient.

Research on quantum computers has just begun.

My computer got infected with a computer virus.

My father is good at repairing microcomputers.

He is majoring in computer science.

It is said that research on quantum computers will have a major impact on future science and technology.

My personal computer is installing the latest software.

He thinks that war is a necessary evil.

Do you understand the necessity of this project?

That information is unnecessary.