The major vendors in the Smart Education and Learning Market are Adobe (California, U.S.), Blackboard, Inc. (Washington, U.S.), Educomp (Gurgaon, India), Cisco Systems (California, U.S.), McGraw-Hill (New York. U.S.), A gear or cogwheel is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part to transmit torque. Geared devices can change the speed. Google Scholar Cited By A search of Google Scholar shows eight papers…