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What is the difference between internal and external modem

What is the difference between internal and external modem
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  • A External modems are PCI or ISA expansion cards while internal modems are traditionally plug into a serial port on the computer.
  • B Internal modems are PCI or ISA expansion cards while external modems are traditionally plug into a serial port on the computer.
  • C External modems are PCI or ISA expansion cards while internal modems are USB modems
  • D They are PCI or ISA expansion cards
Correct Answer: Option B
Explanation:
Internal modems are PCI or ISA expansion cards, they tend to be simple to install while external modems are traditionally plug into a serial port on the computer.

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