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) or internet banking.With the help of Internet banking we can perform major tasks to related our bank. UPI is changed our life. UPI was introduced in 11 april 2016 developed by NPCI ( National Payments Corporation of India) . UPI such a magic. by clicking few button in our mobile phone and we can send or recive money to other.
In Education, we can use to solve complex to complex calculations in seconds. Today online education is most popular word, which is possible by computer.
There is no need to make long queue to get reservation in trains, bus, flight. we can book easily sitting at home by mobile. Toady, we can do shopping for itself , family mambers or others sitting at home with the help of computer or smartphone.
Today's era came to known as "computer era" . Today computer is also being used as Communication. Due to computer . communication has not limited like writing but also has access voice, video, and graphics. due to the computer, we can not only talk to our friend sitting in abroad, but also we can see them.
There is a drawback of to much dependence of computer, 31 dec 1999 whole world was face the Y2K problem.
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