COMPUTER INPUT OUTPUT DEVICES

Proceed data or information

typically takes

the form of text

graphics

photos

audio/video

Features

pixels

dot pitch

refresh rate

size

Cathode-ray tube (CRT)

Flat-panel Monitors

Require less power to operate

Portable and Thinner Than CRTs

Other Monitors

E-books readers

Data projects

High-defination television (HDTV)

features

resolution

color capability

speed

memory

duples printing

inkjet

laser

Share

Personal

3D

Thermal

Photo Printers

Portable printers

translate audio information

from computer into sound

so people can understand

Common devices

Speakers

Headphones

Digital Music Playes

iPod

iRiver

Any data or instructions entered into a computer

can come directly

Traditional Keybord

used on dekstop and large computers

has 101 keys

Laptop Keyboard

smaller than traditonal keyboards

does not have numeric keypad

Virtual Keyboard

used on mobile devices and tablet

displayed on screen

Thumb Keyboard

used on smartphones

for communicating via texting

Mouse

control

Touch Screen

touching the screen with a finger or pen

Stylus

Game Controllers

joysticks

gamepads

motion-sensing devices

Optical Scanning

flatbed scanners

document scanners

portable scanners

Cards Readers

magnetic acrd readers

radio frequency card readers

Bar Code Readers

handheld wand readers or platform scanners

contain photoelectric cells that read bar codes

Character and Mark Recognition Devices

Subtopic

OCR

OMR