Input and outputdevices
• Any information or data that is
entered or sent to the
computer to be processed is
considered input.
• Anything that is sent from the
computer to an internal or
external device is output.
3.
Input devices
• Aninput device, such as a
computer keyboard or
mouse, can send information
to the computer, but it cannot
receive information from the
computer.
4.
Output devices
• Anoutput device, such as a
computer monitor or
printer, can receive
information from the
computer, but it cannot send
information to the computer.
5.
• An input/ output device,
such as a CD-RW drive or
USB flash drive, can send
information to a computer
and receive information
from a computer.
Input and output devices