Classical computers are electronic devices that process information using binary code, which consists of bits represented as 0s and 1s. They perform calculations and execute instructions through a series of logical operations, relying on components like transistors, microprocessors, and memory. These computers follow the principles of classical physics and are designed to solve problems in a sequential manner. The architecture of classical computers typically includes a central processing unit (CPU), which acts as the brain, and various storage units for data. They are widely used in everyday applications, from personal laptops to large-scale servers, and are essential for tasks such as word processing, data analysis, and gaming.