A classroom is a room in which both children and adults learn and teacher teaches the students. Classroom is commonly found in educational institutions like pre-schools, schools and universities. They can also be found in many other places, where education or training is provided like corporate offices, religious and humanitarian organizations.
In simple words, classroom is a space where learning takes place without any interruption. Today, digital or smart classrooms have taken place in all schools, institutions and learning centers. For smart classrooms, audio visual systems are always required.