A block diagram is a visual representation of a system that uses simple, labeled blocks to represent single or multiple items, entities, or concepts, which are connected by lines to show their relationships. One type of block diagram is an entity relationship diagram (ERD), which depicts the relationships between people, objects, places, concepts, or events within an information system. Let’s learn more about Block Diagram of computer.

This is the complete computer block diagram. The computer is divided into three major components: the Central Processing Unit (CPU), Input Devices, and Output Devices.

The CPU is then subdivided into two parts. The Arithmetic Logic Unit (ALU) and the Control Unit (CU) (ALU). The Storage Unit is split into two sections: primary storage and secondary storage.

This Storage Unit stores all of the data generated by the user. The CPU is in charge of the computer's processing. It is also known as the "Brain" of the computer. The central unit is in charge of all computer processes. The Central Unit is the one that receives input from the user via input devices and displays the process output via output devices.

The following units are used in computers:

The input unit.

CPU (Central Processing Unit).

Storage space.

The output unit.

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