Evolution of ICT in Education

2. The Hornbook is a slab of
wood, leather, bone, or stone
that displays the letters of the
alphabet and was protected by
a thin sheet of horn.
The hornbook 1650

4. Thefirst“projector”intheclassroom
thatwouldprojectimagesfromglass
platesthatcouldonlybeseenindark
rooms.
The Magic Lantern
1870

5. The magic lantern or laterna
magica is an early type of image
projector employing painted pictures
or photographs on sheets of glass, a
lens , and a bright light source. It was
mostly developed in the 17th century
and commonly used for entertainment
purposes.

7. Chalkboards (1890)
Like a stone wall, chalkboards were
initially either made of actual slate,
or pieces of wood coated with paint
and grit. Slate is a fine-grained rock
with frequent mica and quartz
inclusions.

9. The Analytical Engine 1830
The Analytical Engine was a proposed
mechanical general-purpose computer
designed by English mathematician and
computer pioneer Charles Babbage.[2][3] It
was first described in 1837 as the successor
to Babbage's difference engine, a design for
a mechanical computer.

11. Difference engine 1820
• A difference engine is an automatic
mechanical calculator designed to
tabulate polynomial functions. The historical
difficulty in producing error-free tables by
teams of mathematicians and human
computers spurred ‘Charles Babbage`s desire
to build a mechanism to automate the process.

12. Charles Babbage was the one
who designed this computing
machine which was used in
calculating and printing of
simple math tables.