Classical computers are widely used in various industries.

I have two notebook computers.

I have two home computers.

Ternary computers are a type of computer that use a base-3 numeral system.

I have two portable computers.

Digital computers have revolutionized the way we work and communicate.

Analog computers were widely used in the early days of computing.

Quantum computers are revolutionizing the field of computing.

I have two laptop computers.

Electromechanical computers were widely used in the early days of computing.