The computer consists of the processor, the input unit, the processing unit and the output unit. Input unit: Every information or data is fed into the computer via this unit ,with the help of a keyboard. Now, the processing unit of a computer includes the Memory unit, the Control unit and the ALU unit. Finally, the result that is the solution or answer is sent to the output unit. The output unit is usually the screen or monitor or the printer. In the meantime, know the important components of a computer. Memory is where the data obtained from the input as well as the generated solution is stored by the computer. Memories are of two types- the internal memory and the external memory. Now, the internal memory is further divided into the Random Access Memory(RAM) and the Read Only Memory(ROM). Meanwhile, the program that provides a means of communication between the computer and the person operating it is the Disk Operating System or the DOS. A computer will not function without the operating system. A group of commands, known as Program, is also given to the computer. Data is the raw information in the unprocessed form.
