ClamWin Free Antivirus [Open Source-working freeware] http://www.clamwin.com/ ClamWin is a Free Antivirus for Microsoft Windows 98/Me/2000/XP and 2003.
The definition of a modem is a tool that sends and receives a signal to create a network and Internet connections. An example of a modem is a tool that lets a computer connect to the Internet.
Types of Modem. 1  Simplex â A simplex modem can transfer data in only one direction, from digital device to network (modulator) or network to digital device (demodulator). 2  Half duplex â A half-duplex modem has the capacity to transfer data in both the directions but only one at a time.