computers can do many varieties of paintings. for instance, computers can helps us do maths issues speedy. some issues are too difficult for us to work them out, however computer systems can. a scientist can ask computers a few questions, and the computers can answer at the screen.at present, to satisfy the desires of various exams, the technique of memorizing robotically remains modern-day and the habit of bookish take a look at remains famous within the direction of education.students generally tend to take it for granted that the all the facts discovered by way of books.if we fully agree with what books say,we may get the incorrect or one-sided information.what is greater,the idea in books isn't usually appropriate for the real situation.it is able to result in unnecessary trouble to us with being analyzed.it is very vital for us to expand our potential too suppose independently, rather than blindly accepting everything in books.

Secondary-tier distribution model