The earliest digital electronic device that could be defined as the first modern computer is the Colossus. Built in 1943-44, the Colossus was devised to crack the Lorenz SZ 40/42, a German encryption machine used to support military communications during World War II.
The device used 2,400 vacuum tubes to perform multiple boolean logical operations to decode encrypted data.
Modern computers come in all shapes and sizes to perform a broad range of different functions. Although the first ones that come to mind are desktop and laptop computers, many other less-assuming devices — such as grocery scanners, ATMs, and smart TVs — are computers as well.
The diffusion of smartphones, game consoles, wearables, and smart appliances made computers much more readily available in our daily life.
A computer is made up of multiple parts and components that facilitate user functionality.
A computer has two primary categories:
Physical structure that