While the use of peripheral devices with Universal Serial Bus (USB) connections is ubiquitous at this point, there are still some devices, such as older printers, that use older connections such as parallel cables. Parallel cables do offer overall fast transfer, but serial cables offer a simplicity of implementation and thus ease of use. Also, serial connections are cheaper and thus have become a de facto standard for many computer devices such as MP3 players, printers and external hard drives. Writer Bio
