Unit 9 Information and Communications Technologies

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Presentation transcript:

Unit 9 Information and Communications Technologies Foundations of Technology

How do we communicate? Technology has drastically changed the way we communicate: Cell phone E-mail Twitter Face book texting

Information and Communication can be classified into four categories Human to human Human to machine Machine to machine Machine to human

Purposes for communication Inform Persuade Entertain Control Manage Educate

Information and Communications technologies Include: Inputs (speak into a phone) Outputs (sound coming from the phone) Processes (converting voice into digital signals)

Communication System Source Encoder Transmitter Receiver Decoder Storage Retrieval Destination

Usefulness of Communication Depends on: Relevancy Timeliness Truth Completeness Cultural value

Ways to communicate Printed graphic communication (magazines, newspapers) Photographic communication (photos, slides, motion pictures) Telecommunication (radio broadcast, TV, cell phone) Technical graphic Communication (engineering drawings) There are many ways to communicate such as graphic and electronic means.

Information is communicated using Symbols Measurement Conventions Icons Graphic images Languages