Building Block Diagram of Computer | Process of CPU | Input unit | Processing unit | Output unit | - Uttar Tamang

Building Block Diagram of Computer | Process of CPU | Input unit | Processing unit | Output unit | - Uttar Tamang

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  BUILDING BLOCK DIAGRAM OF COMPUTER Uttar Tamang YadavPrasai 7/28/2017 1
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  BUILDING BLOCK DIAGRAMOF COMPUTER  Also called anatomy structure, architecture diagram of computer  Structure diagram consists of input devices, processing units and output devices.  Computer also has system that makes computer to run smooth  There are three units in building a computer. 2 7/28/2017
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  Fig: Building BlogDiagram of Computer 7/28/2017 3
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  1. INPUT UNIT Used to receive data and instruction from users  Converts the data and instructions to machine readable code.  Common input devices are keyboard, mouse, joystick, scanner, etc. 4 7/28/2017
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  FUNCTIONS OF INPUTUNIT  Accept - the data and instructions from outside world.  Convert - it to a form that the computer can understand.  Supply - the converted data to the computer system for further processing. 5 7/28/2017
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  2. PROCESSING UNIT It is the brain of the computer.  CPU performs actual processing of data, according to instructions from programs.  Consists of three parts: Memory Unit, Control Unit And Arithmetic Logic Unit (ALU) 6 7/28/2017
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   Memory unit:place where data and instructions are stored during processing period. Popular memory are RAM and ROM.  Control unit: It controls the entire system of computer.  It makes proper sequence to direct the input data and instructions to memory to ALU.  It also controls signals to various parts of computer.  It also transfer result from ALU to memory and then to output devices. 7 7/28/2017
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   Arithmetic LogicUnit: comprises number of register on its constructions. All data from memory gets loaded in ALU. It performs various arithmetic and logical operations of the programs. 8 7/28/2017
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  3. OUTPUT UNIT Computer provides information and results of computation to the outside world through output unit.  The output unit consists of one or more output devices.  Some output devices are:  Monitor  Printer  Speaker 9 7/28/2017
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  THANK YOU 7/28/2017 10