- Common communication and information devices that we use daily are listed in the table below. Identify their attributes in the following table.
|
Communication or information devices |
Message content: text/video/audio/image |
Data flow: simplex/half-duplex/full-duplex |
Network connected: fixed telephone/mobile telephone/coaxial network/wireless broadcast |
|---|---|---|---|
|
Telephone |
|||
|
Fax |
|||
|
Mobile voice |
|||
|
Personal digital assistant with wireless access |
|||
|
Personal computer |
|||
|
Television broadcasting |
|||
|
Radio broadcasting |
|||
|
pager |
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