1.   An external modem, on the other hand, simply plugs into the serial port in the back of the PC.

2.   Adding an external modem to the Palm is not the only option for wireless connectivity.

3.   But I have built-in modems, I have stick-on modems, internal modems and external modems.

4.   External modems do not require the user to open the computer case, so they are the better choice for beginners.

5.   External modems are often at risk for a double whammy, as they generally plug into both the telephone jack and an electrical outlet.

6.   If an NIC is installed, then the technician who handles the installation will attach a cable modem or an external ADSL modem to that card.

7.   I plugged in an external USB modem, which worked just fine.

8.   I prefer external modems, but an internal is a bit cheaper and will work just fine.

9.   In general, external modems work better than internal ones and are easier to upgrade.

10.   Installing the external modem is just as simple.