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EXERCISE-4

https://www.slideshare.net/epsyba/presentation-140433609

EXERCISE 3

https://drive.google.com/file/d/0B9mdpqtfHA3wWDJld05QOVdzS2ROcGJqSVdVb215WThoYm1J/view?usp=sharing

EXERCISE-2

EDUCATIONAL VIDEOS https://www.youtube.com/channel/UCImiNBzWUNuHBm95F8SyMYA https://www.youtube.com/user/EnglishLessons4U https://www.youtube.com/user/learnexmumbai

EXERCISE-1

INTRODUCTION A computer is more than just another household appliance. The vast amount of information and possibilities can be overwhelming. But you can accomplish a lot with a computer, and using one can be a good experience. Let's walk through getting started with your first computer. Turning on a computer The very first step is to  turn on  the computer. To do this, locate and press the  power button. It's in a different place on every computer, but it will have the universal power button symbol (shown below). Once turned on, your computer takes time before it's ready to use. You may see a few different displays flash on the screen. This process is called  booting up , and it can take anywhere from 15 seconds to several minutes. Once the computer has  booted up , it may be ready to use, or it may require you to  log in . This means identifying yourself by typing your user name or selecting your profile, then typing your password. If you've never logge