Your commands, ideas, demands and concepts form the data your system processes and stores. Without user input, a computer simply takes up desktop space and waits for directions, like a lost motorist ...

Devices that the computer system uses to send out or display information from the processor are called output devices.

Introduction to computers and computing: evolution of computing devices, components of a computer system and their interconnections, Input/Output devices. Computer Memory: Units of memory, types of ...