There are four main ways to connect a laptop to the Internet -- wirelessly, with an Ethernet cable, with a mobile broadband modem or networking card, or by tethering to your cell phone. Each method ...

A high-speed Internet connection is no longer a luxury for most businesses; it's a necessity. As a result, many businesses now use broadband cable connections to surf and work over the Web at ...

The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...

The classic serial null-modem cable was, among other things, used to connect two computers together for communications and file transfer. Largely eliminated in daily use by the advent of home ...