1.
In
1842 Charles Babbage invented the fires mechanical computer. This was named as
Analytical Engine.
2.
In
1934, The first electrical computer was made. This was named Mark-I and was
made by Howard Aikens.
3.
ENIAC
was the first Electronic Computer. This
was made in America in 1946. This was a very big and heavy computer.
4.
PC (Personal Computer) was
introduced by IBM, an American company. It was called IBM-PC. This first came
in the market in 1981.
Exercise
Match the following:-
Calculating Device Made in
Abacus 1642
PASCAL’s Calculator 1617
Napier Bones 450BC
Mark-I 1930
Draw a picture of your computer and colour it.
