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INPUT DEVICE
OUTPUT DEVICE
INPUT-OUTPUT DEVICE
STORAGE DEVICE

OUTPUT DEVICE: Any type of hardware component that conveys information to one or more people
1) DISPLAY DEVICE
D- an output device that visually conveys text, graphics and video information
F- allows users to conveys text,graphics,video information for a temporary period
2) PRINTER
D- an output device that produces text and graphics on a physical medium  such as paper
F- it able to produce hard copy; that is a permanent copy of the output on the paper
3)VOICE OUTPUT DEVICE
D-a component of a computer that produces music,speech, or other sounds
F- its provide voice output for computer game,music, video clips and TV shows, Web conferencing, and another applications
4)VIDEO OUTPUT DEVICE
D- display device that projects all computer output to a wall or projection screen
F- its provide the displaying the video that stored on that device