Please enable JavaScript.
Coggle requires JavaScript to display documents.
Ch.12 Input and Output Devices - Coggle Diagram
Ch.12 Input and Output Devices
Input Devices
keyboards
pointing devices
touchpads
touch screen
scanners
resolution,colour depth,accuracy determined the quality
bar code reader
optical mark recognition
optical readers
read predetermined characters, marks or codes
and translate them into digital data.
microphones
record sound into a computer.
use sound card
can be use with speech recognition software
digital cameras
light-sensitive
store in a memory card
web cam
Special type of digital cameras, connected to a computer
digital video cameras
use a light-sensitive processor chip
mice
mechanical mouse
optical mouse
trackballs
joysticks
digital tablets
handwriting board
Output Devices
monitor
cathode ray tube
liquid crystal display
quality depends on resolution,dot pitch,contrast ratio
speakers
printers
dof-matrix printers
inkjet printers
laser printers
thermal printer
plotters
multi-function prints
video projectors
Daliy Applications of Input and Output Devices
point-of-sale
barcode reader
keyboard
readers for credit cards,octopus cards,ATM cards
thermal printers
monitors