5. Areas of use

5.1 Historical applications

USB was originally designed to replace serial, parallel, mouse and keyboard connections - simply, inexpensively and with a limited number of connectors. It was therefore intended to connect simple, low-speed devices such as modems.

5.2 Specific applications

By also aiming for SCSI (Small Computer System Interface ) connections, USB set the bar very high. In fact, SCSI and USB devices continued to coexist for some time. Eventually, the SCSI standard was superseded by USB...