Computer Input Devices
Compiled by Angela DeHart
2/19
An input device sends information to a
computer system for processing.
Input devices only allow for input of data to
a computer.
Definition
Graphics
Tablets
Mouse
Digital
Cameras
VideoCapture
Hardware
Trackballs
Gamepad
Joystick
Keyboard
MIDI
keyboard
AMIDIkeyboardistypicallyapiano-style
electronicmusicalkeyboard,oftenwith
otherbuttons,wheelsandsliders,used
forsendingMIDIsignalsorcommands
overaUSBorMIDI5-pincabletoother
musicaldevicesorcomputersconnected
andoperatingonthesameMIDIprotocol.
Microphone
Scanner
Webcam
Touchpads
Pen
Input
Electronic
Whiteboard
OMR
Reader
Opticalmarkrecognition(alsocalledoptical
markreadingandOMR)istheprocessof
capturinghuman-markeddatafrom
documentformssuchassurveysandtests.
Theyareusedtoreadquestionnaires,
multiplechoiceexaminationpaperinthe
formoflinesorshadyareas.
MICR:MagneticInk
characterreader
OCR:optical
character
recognition
OCR(opticalcharacterrecognition)isthe
recognitionofprintedorwrittentext
charactersbyacomputer.Thisinvolves
photoscanningofthetextcharacter-by-
character,analysisofthescanned-inimage,
andthentranslationofthecharacterimage
intocharactercodes,suchasASCII,
commonlyusedindataprocessing.
MagneticTape
Drive
Punchcard
reader
https://youtu.be/yLkbYmkp6P0
https://youtu.be/KG2M4ttzBnY
Wanttoknowmore?
Jacquard
Loom
https://youtu.be/K6NgMNvK52A
CDPlayer
Digitizer
Adigitizerisanydevicewhichreceivesanaloginformation
(suchassoundorlight)andcreatesadigitalrepresentationof
it(suchasafileonacomputer)....Lightentersthecamera
throughthelens,andthehardwareandsoftwareinsidethe
cameraconvertsthatinformationtobinarydata,andstoresit
animagefile

Computer Input Devices