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Introduction to computer

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Block Diagram of computer Operation A computer is an electronic device that takes raw data like input and processes it gives useful information like output. The computer has been changed our life. Today the various type of electronic and computrized machines in this computer age, many of our's life task are becoming easier and completed in less time. The history of computer is almost 3000 years old. computer was not so important earlier days, but today computer is well-known word in our life. Today computer is very used in almost every area of our daliy life. for example, Nowadays computer is used for banking, education, medical, bill payment, satelite system etc. in this area we can easily complete the biggest work with the computer in few time, Today, We don't need to go to the bank for transation and others work (some works are excptional) , we can easily transfer or recive money from others in seconds with the helps of UPI (Unified Payments Interface) ...

Basic function of a computer.

Computer perform the following five basic function for converting raw input data into information or persenting it to the user. Inputing : it take some input from the user to perfrom any operation. processing : Performing arthmethic or logical operation on inputed data to convert information. storing: It can store the inputed or processed data for further use. outputting: Computer process the data and gives us output in an organized manner. Contorlling: directing the manner and sequence in which above operation is performed.

hierarchy of Primary Memorary

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Introduction to computer

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