21st Century Classroom: Transforming the Textbook In 21st century classrooms, blackboard chalk is on the endangered list, the pop quiz has been replaced with clicker questions, and bowling alley technology (overhead projector transparencies) has disappeared, thanks to digital projectors and document cameras.
"When connected to the HDMI adapter, the iPad 2 will display a duplicate version of the contents of its screen on an external monitor. Want to demo an education app via a projector or HDTV for a classroom full of kids? The iPad 2 makes it possible."
" An Improvement All Around"