That's a wire you connect to the back of each computer using the serial or parallel ports, the standard connectors you find at the back of all PCs. You can buy a DCC cable at your local computer store for just a few dollars. Either way, once you've connected the computers, all you have to do is set up Internet Connection Sharing. Click Internet Tools, then Details, and check the Internet Connection Sharing box. A high-capacity floppy disk drive developed by Iomega Corporation.
Zip disks are slightly larger than conventional floppy disks, and about twice as thick.
They can hold 100MB of data. Because they're relatively inexpensive and durable, they have become a popular media for backing up hard disks and for transporting large files. This specifies which interrupt line the device may use. For example, when a printer has finished printing, it sends an interrupt signal to the computer. The signal momentarily interrupts the computer so that it can decide what processing to do next.