Which device send information to the CPU?

Informations from user to a computer can be send using:

• a keyboard (typing commands),
• a mouse (clicking on icons or links),
• a web camera (image sent via a communication software to other people or simply written as a file on a hard disk),
• a scanner (picture scanned and sent to a picture album)
• a microphone (voice recorded to a file or sent via a communication software to other people),
• other input devices also can be used.