What is Computer ?
Fundamental Block Diagram of Computer
What is Computer ?
A computer is an electronic device that can receive, store, process, and output data. It operates under the control of instructions stored in its memory unit, performing arithmetic and logical operations. Computers come in various forms, including personal computers, laptops, tablets, Smartphone’s, servers, and mainframes. They play crucial roles in numerous fields, including education, business, entertainment, research, and communication.
Fundamental Block Diagram of Computer
There are three component of computer :
General arrangment of various units is shown in this figure 
- Input Unit
- Central Processing Unit
- Memory
- ALU
- CU
- Output Unit