ICT

OLD COMMUNICATION DEVICE:

1. Hitting a rock with certain repetition sign for gather

2. Using writing pen made of goose feather to write letter, and then developed using a dipped pen.

3. Using a tool made of wood to call somebody else, such as kentungan.

4. People screamed loudly. because there is no technology in that year.

5. sending Piegon to deliver message.

MODERN COMMUNICATION DEVICE:

1. Intercom is the one that use in the modern era

2. Using  handy talkie that already equipped with current source and particular wave

3. Using cell phone., a wireless device is to communicate through chatting or short message service

4. Using internet is a means of communication by sending email, chatting, net meeting, and video conference

5. The usage of cable phone to communicate in a long distance uses a satellite as a connector