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Need for Programming By Rajanikanth B

Computer programs automate tasks, saving time, reducing errors, and eliminating repetition. Learn the significance of programming in making tasks efficient and accurate. Explore programming examples such as sending greeting cards, communicating via email, booking tickets, and more. Discover how Java plays a vital role in modern technology. Join Rajanikanth B to delve into the world of programming and its endless possibilities.

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Need for Programming By Rajanikanth B

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  1. Need for Programming By Rajanikanth B www.btechsmartclass.com

  2. Introduction The computer programs help in automating the tasks which are time consuming, error prone, repetitive, not person dependent etc., • For e.g., an activity like send greeting card will contain small steps like • go to the greeting card shop, • choose it, • pay for it, • write the names and address, • go to the post office, • buy stamps, affix the stamps and • drop the card in the post drop box. Time-consuming Repetitive Error prone

  3. Example 1 (Communicating with others) Observe 10 – 15 year back, how people used to communicate from different places – POST CARDS • Email – Less than 1-minute to send an email to any place in the world at no cost. • Mobile – Directly we can speak to the persons, we can also use SMS system. • And many more…..

  4. Example 2 (Booking Railway Tickets) Observe 10 – 15 year back, how people used to get train tickets – From Rail Reservation Counter • IRCTC– Can book tickets from anywhere to anywhere, sitting at home. • Movie Tickets • Bus Tickets • Flight Tickets • And many more…..

  5. More Examples …… Sending money from parent to the child studying in a college Seat allocation in engineering college And many more…..

  6. Overview of JAVA Next….

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