20-11-2012, 04:02 PM
TYPES OF MODEMS
MODEMS.pptx (Size: 300.91 KB / Downloads: 29)
Landline modems
Depending upon how your computer is configured and your preferences, you can have an external, internal. These work in the same way, but each has its advantages and disadvantages.
1. INTERNAL MODEMS
2. EXTERNAL MODEMS
INTERNAL MODEMS
An internal modems is a plug-in circuit board that sits inside the computer. It incorporates the serial port on-board
EXTERNAL MODEMS
External modems sit next to the computer and connect to the serial port using a straight-through serial cable.
Dial up internet access
Dial-up Internet access is a type of Internet connectivity that operates through a standard telephone line.
Dial-up Internet access is offered through a number of Internet service providers (ISPs).
Subscribers to the ISP normally pay a monthly or yearly fee.
Dial-up service is the least expensive but also the slowest type of Internet access