Содержание
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The common components of phone
A battery, providing the power source for the
The common components of phone
A battery, providing the power source for the
phone functions.
An input mechanism to allow the user to interact with the phone. The most common input mechanism is a keypad, but touch screens are also found in most smartphones.
Basic mobile phone services to allow users to make calls and send text messages.
All GSM phones use a SIM card to allow an account to be swapped among devices.
An input mechanism to allow the user to interact with the phone. The most common input mechanism is a keypad, but touch screens are also found in most smartphones.
Basic mobile phone services to allow users to make calls and send text messages.
All GSM phones use a SIM card to allow an account to be swapped among devices.
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Motorola DynaTAC 8000X
Motorola DynaTAC 8000X
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Motorola StarTAC
Motorola StarTAC
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Nokia 5210
Nokia 5210
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Ericsson T68
Ericsson T68
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iPhone 3GS
iPhone 3GS
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