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Google Classroom is a free web-based learning management system developed by Google. Google Classroom is a free web-based learning management system developed by Google that allows teachers to create and manage assignments, give feedback, and communicate with students online. It was launched in 2014 and is currently used by millions of teachers and students around the world.

What is GPS, complete information about the GPS system Friends, in our daily life all of us have become familiar with the word GPS these days. But do we know what is GPS, how does GPS work and do you know more information about GPS technology?