CHALK BOARD TO DIGITAL SCREENS

Abstract

There are a large number of revolutionary ideas in digital world .Technology transformed the way the teachers teach and the students learn teachers can’t teach a lesson simply without technology or tools .It is controversial and miss understood without digital revolution .The history of digital technology is also known as third industrial revolution in 20th century .It has many device tools form chalkboard to screens such as chalkboard, white board, radio, video tape, overhead projector, computers