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Computer Organisation The block diagram of computer is shown in Fig The computer performs basically five major operations of functions irrespective of their size and make. These are 1) it accepts data or instruction by way of input, 2) it stores data, 3) it can process data as required by the user, 4) it gives results in the form of output, and 5) it controls all operations inside a computer. We discuss below each of these operations. 1. Input: this is the process of entering data and programs into the computer system. 2. Control Unit (CU): The process of input, output, processing and storage is performed under the supervision of a unit called 'Control Unit'. It decides when to start receiving data, when to stop it, where to store data, etc. It takes care of step -by-step processing of all operations in side the computer. 3. Memory Unit: Computer is used to store data and instructions. 4. Arithmetic Logic Unit (ALU): The major operations performed by the ALU ar...
nice video
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