Fix a modem? You would be better of buying or getting a new modem Depending on your needs they can be cheap or more expensive.
"Buying a modem 3G would only be good if your work online requires it. A lot of people tend to over buy things that they do not need. This is a powerful modem, and if you do not need it, you should not buy it, as it is just a waste of money."
no, a modem is slow and you would be better buying a router
Many people never use modem. If you are not using it either, you do not need. And of course you do not need a modem to connect to wireless networks.
it was the handshakeing of the modems
No, buying a more expensive modem will not increase your connection speed. In order to get a faster connection, a person needs to have a high speed connection, such as broadband or cable. Having a defective modem or router can slow down a person's speed if they already have broadband service.
A modem converts a digital signal into an analog signal. Allowing us to use a phone line as a transmission medium.
it is suwtimes cheaper to buy
The purpose of a null-modem cable is to permit two RS-232 "DTE" devices to communicate with each other without modems or other communication devices (i.e., "DCE"s) between them.
Well it depends on what type of modem require; the price can vary.
yes you can.
Unless you are buying one of the latest ultra thin laptops then you are very likely to find that your new computer will 98% time still have a modem built in