![](/images/new-backgrounds/1152941/15294139x1.webp)
Additional hardware components
Component | Description | |
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(1) | Power cord* | Connects an AC adapter to an AC outlet. |
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(2) | AC adapter | Converts AC power to DC power. |
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(3) | Battery* | Powers the computer when the computer is not plugged into |
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| external power. |
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(4) | Adapts the modem cable to a | |
| models only) |
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(5) | Modem cable* (select models only) | Connects the internal modem to an |
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*Modem cables, batteries, and power cords vary in appearance by region and country.
14 Chapter 2 Components