ETECH Flashcards
can be traced thousands or years ago, around 3000
BCE to 1450 CE. During this time humans started communicating with one another using words and pictograms curved in rocks.
Premechanical period
considered the first data centers in history.
Library
pictogram dating back 3100 BCE
Sumerian
considered to be the first counting device was introduced in the 2nd century BCE. Manually operated device similar to the modern calculator.
Abacus
This period served as the bridge between our current period and the
premechanical period. This period started around 1450 – 1840. During this time, the interest in automating and speeding up numerical calculations grew.
Mechanical Period
which was invented by the famous mathematician inventor Blaise
Pascal.
Pascaline
which is considered the first programmable
mechanical computer and was invented by Charles Babbage.
Analytical Engine
“Father of the Computer”
Charles Babbage
It is a crime of stealing personal information for the purpose of assuming that
person’s name or identity to make any form of transactions.
Identity Theft
considered the first
electrical communications devices.
Telegraph
This period started around 1840 – 1940. In this period, the use of
electricity for information handling and transfer bloomed.
Electromechanical Period
first computer programmer.
Ada Lovelace
invented the
first commercial telegraph in 1837 (OLIVIA AND KING)
William Cooke and Sir Charles Wheatstone
An American inventor successfully introduced the first single circuit telegraph
Samuel Morse
The last period in ICT history. It started in the 1940s and continues to the present. The highlight of this period is focus on the advent of solid state devices or electronic devices.
Electronic Period
best known for
his invention of the telephone.
Alexander Graham Bell
the first electronic and general purpose computer. (1946)
ENIAC
It is an electronic with properties and
functions similar to vacuum tubes but it is lightweight and faster. (1947)
Transistors