Technology has been performing a great job in quenching humans’ thirst for
knowledge. Used appropriately with guidance, technology provides
unparalleled tools to explore boundless sources of knowledge. Modern
temples of knowledge- schools and other educational settings- have been
showing great interest in installing modern technology equipments to make
the process of teaching and learning easier and more effective.
Projector is one of the few inventions that form the foundations of a
really solid tech-based classroom. A projector- an optical instrument that
projects enlarged text or image onto a screen- makes the classroom more
colourful and resourceful, and takes teaching to a new level.
Ever since its emergence, projectors have been proving to be Educators’ one
of the best techno friends. Educators can display power point files,
multimedia, videos and similar contents to their large groups of students
with bigger images, which enhance students’ retention of information
presented. Projectors come mostly under two technologies, viz. DLP (digital
light processing) and LCD (liquid crystal display).
A DLP projector projects images by reflecting lights against hundreds of
tiny mirrors, known as digital micro devices, each of which represents one
pixel. DLP projectors are easier to handle as they are smaller in size and
lighter in weight than their LCD equivalents. A DLP projector is capable of
projecting better images than comparable LCD projector as it is all digital
technology and typically features higher contrast ratio.
An LCD projector operates by beaming light via transparent LCD cells. It
technology splits light into three poly silicon panels, one each for the
red, blue and green. Images on the bigger screen are produced by the blend
of light beaming through the LCD cells. Both, DLP projector and LCD
projector, have the potential to engage tech savvy students in a dynamic
and immersive way by delivering multi-dimensional curriculum to a large
class with astonishing image quality.
When it comes to a large audience, LCD or DLP projector proves to be very
beneficial as it can enlarge images and project them onto a large screen or
surface. Teacher’s single book can be read by all students present in the
class at a time with the help of a projector. Bigger images produced on a
screen or other flat surfaces by a DLP projector or LCD projector makes it
easier for students even in the back row to read and grasp text or other
A projector can be used to display small map or places in the map, such as
states, capitals, islands etc, in close details. Classrooms designed around
DLP/LCD projectors can bring subjects to life by integrating text, audio,
graphics and motion videos. Furthermore, students gain an opportunity to
experience interactive simulations, internet excursions and digital
imaging-based presentations and much more.
Author has written lots of article on LCD Projector , ICT Products, DLP Projector etc. which helps the student and teacher make their education Interactive.
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