The Mechanical and Electromechanical Period

1. Evolution of ICT
(The Mechanical and Electromechanical Period)
Prepared by:
Maria Anna Aliza A. Ege

2. The Mechanical Period
 The interest in automating and speeding up numerical
calculations grew
 Concentrated primarily on the development of machines
that will enhance calculation speed

3. Pascaline
A mechanical calculator which was
invented by the famous
mathematician inventor Blaise
Pascal along with Wilhelm
Schickard

4. The Analytical Engine
• Invented by Charles Babbbage
“Father of the Computers”
• Contained such as the arithmetic
logic unit,control flow and
integrated memory
• The first programmable mechanical
computer

5. The Electromechanical Period
 Ushered in a new age in communications and information
 The use of electricity for information handling and transfer
bloomed
 Saw the use of telegraph to transmit information over long
distances

6. The Telegraph
• Considered the first electrical
communications device that use
electricity to transmit information
over an electrical media
• Invented by William Cooke and
Sir Charles Wheatstone,the first
working model that used 5
magnetic needles thatcould be
pinted around sets of letters and
numbers by using electric current

7. Alexander Graham
Bell
He was granted the
patent for the telephone
The telephone converts
sounds into electricity
and enables the
telephone network to
transmit it over copper
wires

8. Questions?

9. Thank You!