Dell Inspiron 15R 5521 Me and My Dell - Page 49

Communication Devices

Page 49 highlights

The following figure shows the size-comparison of PC-cards and ExpressCards: PC Card 54 mm ExpressCard (EC 54) 34 mm ExpressCard (EC 34) Communication Devices An electronic device that can send and receive data on the network is called a communication device. Communication devices are used on both ends of a connection. Signals may travel from one device to another in either analog or digital form. Most communication devices have the ability to convert digital signals to analog signals or analog signals to digital signals, so that the signals can be transmitted from one device to another. Some of the commonly used communication devices are: Communication Devices  49

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Communication Devices
49
The following figure shows the size-comparison of PC-cards and
ExpressCards:
PC Card
54 mm ExpressCard
(EC 54)
34 mm ExpressCard
(EC 34)
Communication Devices
An electronic device that can send and receive data on the network is
called a communication device. Communication devices are used on
both ends of a connection. Signals may travel from one device to another
in either analog or digital form. Most communication devices have the
ability to convert digital signals to analog signals or analog signals to
digital signals, so that the signals can be transmitted from one device to
another.
Some of the commonly used communication devices are: