ICT - QUIZ 1

alexander graham bell

- revolutionized the communications field by inventing the telephone

- invention of telecommunications network to support telephone services

pre-mechanical period

- 3000 BCE-14th century

- words and pictograms carved in rocks

- discovery of papyrus and paper

cuneiform

- one of the oldest forms of writing known

- means "wedge-shaped", because people wrote it using a reed stylus cut to make a wedge-shaped mark on a clay tablet

abacus

- mesopotamia 2500 BCE

- the first counting system

pascaline

- invented by Blaise Pascal in 1642

- the first mechanical calculator

charles babbage

Father of modern computer

telegraph

- 1st device to use electricity to transmit information over an electrical media

- invented in 1837 by William Cooke and Sir Wheatstone

telephone

converts sound into electricity and enables the network to transmit it through copper wire

radio

discovered that electrical waves travel through space and can produce an effect far from the point it originated

vacuum tube machines (ENIAC)

First general-purpose electronic digital computer.

transistor

A small electronic switch that can turn currents on and off

integrated circuit

a tiny chip made of semiconductor material that holds multiple transistors, resistors, and other components in one

computer microprocessors

the entire central processing unit of a computer on a single chip