Computers in schools have revolutionized education by giving students and their teachers instant access to a wealth of information and resources that would not otherwise be possible. In Designing. The computer helps you to keep track of location, speed and direction of trains and airplanes. The computer helps architects in designing buildings, houses and flyovers. A computer is an electronic machine which is used to do different kinds of work. It scans the document and your work is entered into the computer. The computer helps in reservation and cancellation of tickets for passengers. Recap. Computers are becoming an increasingly common tool in the classroom. It is used to listen to recorded songs, voice and speech and sounds in a computer. A computer is a fast, accurate and multitasking machine. The computer helps in keeping records of arrival and departure of trains and flights. Short Essay on Computer for class 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. Shops may not have the IT needs that service-oriented businesses have, but that doesn't mean shops can't use computers in their day-to-day work. Speakers and headphones. This lesson will explain some of the benefits as well as the disadvantages of having computers in the classroom. Here at Takshila Learning, we provide Online School Classes from Preschool to Class 12 for all subjects. Brief essay for 1st and 2nd-year.