A Block diagram of a computer displays a structural representation of a computer system. The block diagram gives you a quick overview of the working process of a computer from inputting the data to retrieving the desired results. Learn how a computer works with its main parts and how data flows between them. See the block diagram of a computer and its components, such as input, CPU, memory, and output units. Computers need to receive data and instruction in order to solve any problem. Therefore, we need to input the data and instructions into the computers . The input unit consists of one or more input devices. Keyboard is the one of the most commonly used input device. Other commonly used input devices are the Mouse, Scanner, Microphone etc.
