Here I am going to share you about list of  basic Input Devices, Output devices and  Both input–output devices  related to computer
a)      Graphics Tablets
b) Cameras
c) Video Capture Hardware
d) Trackballs
e) Barcode reader
f) Digital camera
g) Gamepad
h) Joystick
i) Keyboard
j) Microphone
k) MIDI keyboard
l) Mouse (pointing device)
m) Scanner
n) Webcam
o) Touchpads
p) Pen Input
q) Microphone
r) Electronic Whiteboard
s) OMR
t) OCR
u) Punch card reader
v) MICR (Magnetic Ink character reader)
w) Magnetic Tape Drive
Printers (all types)
Plotters
Projector
LCD Projection Panels
Computer Output Microfilm (COM)
Speaker(s)
Head Phone
Visual Display Unit
Film Recorder
Microfiche
Input Devices:
b) Cameras
c) Video Capture Hardware
d) Trackballs
e) Barcode reader
f) Digital camera
g) Gamepad
h) Joystick
i) Keyboard
j) Microphone
k) MIDI keyboard
l) Mouse (pointing device)
m) Scanner
n) Webcam
o) Touchpads
p) Pen Input
q) Microphone
r) Electronic Whiteboard
s) OMR
t) OCR
u) Punch card reader
v) MICR (Magnetic Ink character reader)
w) Magnetic Tape Drive
OUTPUT DEVICES:
Monitor (LED, LCD, CRT etc)Printers (all types)
Plotters
Projector
LCD Projection Panels
Computer Output Microfilm (COM)
Speaker(s)
Head Phone
Visual Display Unit
Film Recorder
Microfiche
Both Input–OutPut Devices:
1.Modems
2.Network cards
3.Touch Screen
4.Headsets (Headset consists of Speakers and Microphone. 
Speaker act Output Device and     Microphone act as Input 
            device)
5. Facsimile (FAX)  (It has scanner to scan the document and also 
           have printer to Print the  document)
6 .Audio Cards / Sound Card
 
