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EPIDIASCOPE
Opaque projectors are typically used to project images of book pages, drawings, mineral specimens, leaves, etc. -
MAGIC LANTERN
It is an early type of image projector. It was in wide use from the 18th century until the mid-20th century. -
RADIO
It is the technology of signaling and communicating using radio waves. Classrooms began incorporating radios into different subjects. -
16 MM FILM
Using 16mm film, professionally-produced moving images were introduced into the classroom. The educational & commercial films were available on rent. -
FILM PROJECTOR
The film projector uses a very bright light source and lenses to project a big, bright image onto a screen. The rays emerging from the condenser pass through the film. -
OVERHEAD PROJECTOR
The first real OHPs were produced for air-force use in mapping and briefings during World War II. It offered useful projection in rooms that no longer needed to be darkened. -
VIDEOTAPE
It was the first widespread consumer technology which was affordable and easy to use. It was used extensively to record the audio-visual content -
WHITE BOARD
Whiteboards are analogous to blackboards, but with a smoother surface allowing rapid marking and erasing of markings on their surface. The popularity of whiteboards increased rapidly in the mid-1990s. -
MICRO COMPUTER
Microcomputer, an electronic device with a microprocessor as its central processing unit (CPU). It was a complete computer on a small scale, designed for individual use. -
CASSETTE RECORDER
It can help students listen for the tone and voice that can be hard for students to recognize. It also gives the chance to listen to the topic more than once. -
VISUALIZER
It enables teacher to show any physical object via projector. The visualizers were called document cameras which were introduced first in 1988 & came into use in 21st century. -
WWW
The World Wide Web, commonly known as the Web, is an information system where documents and other web resources are identified by Uniform Resource Locators i.e. URL -
WEB 2.0
WEB 2.0 -
MOBILE APPS
It is a type of application designed to run on a mobile device, which can be a smartphone or tablet computer -
ONLINE LEARNING
In 1998, the first fully online programs were founded in different universities. Slide projectors and television-based classes have been in use since the 1950s. -
INTERACTIVE WHITEBOARD
An interactive whiteboard ,also known as interactive board or smart board, is a large interactive display board in the form factor of a whiteboard. student can “interact” with the images. -
VIRTUAL REALITY
The idea of VR is expressed in 1957 but it came into use in 21st century. Virtual Reality (VR) is a computer-generated environment with scenes and objects that appear to be real. -
AUGMENTED REALITY
Augmented reality (AR) is an interactive experience of a real-world an environ-ment. AR was proposed in 1990 but came into use in 21st century. Projectors can be used to display AR contents.