Lesson 1: Computers

What is computer?

A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program or sequence of instructions on how the data is to be processed. 

Source: http://searchwindowsserver.techtarget.com/definition/computer

The Importance of Computer

Banks

                         •- to keep the record of all the money transaction and other calculations
                   •- it provides speed, convenience and security.

        Communication

                            •Through email we can send messages to anybody in any part of the world in just a second

                   •helps to find information on every topic

              Business

                   •keeps the record of all the profit and loss

             •to calculate the huge bills within seconds

             •can buy and sell things online, bills and taxes can be paid online and can also predict the future of business 

 Medical Science

         •- Diseases can be easily diagnosed with the help of computer and can also know about its cure

         •- allows the doctor to view the different organs of our body 

         •- helps the doctor during the surgery

Education

       •- can secure better jobs prospects

       •- Knowledge about computer is must in this time.

Media

       •- Almost every type of editing and audio- visual compositions can be made

       •- can even make three dimensional figures which are mostly used in the cartoon films

       •- Special effects for action and science fiction movies are also created

Travel and Ticketing

       •- Almost every type of editing and audio- visual compositions can be made

       •- can even make three dimensional figures which are mostly used in the cartoon films

       •- Special effects for action and science fiction movies are also created

Weather Predictions

       •Weather predictions are also possible by the experts using supercomputers.  

Sports

       •used for umpiring decisions

       •Simulation software allows the sportsman to practice and improve his skills

Daily Life

       •can store all the information about our important work, appointments schedules and list of contacts