(ict)-introduction

What can you see from the picture?

Overview of Information and Communication technology What is information and communication technology (ICT)?

information and communication technology (ICT) 

Information and communication technology (ICT) is the technology required for information processing, in particular, the use of electronic computers, communication device and software applications to convert, store, protect, process, transmit and retrieve information from anywhere, anytime.

Evolution of computer      

The early years First generation computers Second generation computers Third generation computers Fourth generation computers Fifth generation computers

The early years 







In the early, before the computer was invented, there were several inventions of counting machines. In 200b.c, the abacus was used in china as the first counting machine. In 1617, John Napier invented what become known as Napier's rods or bone. It can used to multiply large number by manipulating rods.

Cont.. 

 

In 1642, Blaise Pascal built a calculating machine that could add and subtract. This machine is called the pascaline Baron Gottfried Wilhelm Von Leibniz invented a device which used the first binary mathematic calculation machine in 1673. it was called the Stepped Reckoner.

Cont.. 





In 1804, Joseph Marie Jacquard invented jacquard loom that using punch card technology. In 1823, Charles Babbage invented the mechanical calculator machine that called Babbage’s analytical engine. The first computer known as Mark 1 was built in Harvard in 1941.

Conclusion??

Cont..

abacus

Cont..

The Pascaline

Cont..

Stepped Reckoner

Cont..

Jacquard loom

Cont..

Babbage Analytical Engine

Cont..

Mark 1