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Input and output devices (Input devices (Keyboard:an input device that…
Input and output devices
Input-output devices
Interactive whiteboard /smartboard
A touch sensitive device resembling a dry erase board that displays the Image on a connected computer screen
Touch screen monitor
Digital camera
Force feedback game controller
Input devices
Keyboard:an input device that contains key users press to enter data and instructions into a computer
Types of keyboard
Ergonomics keyboard:incorporate comfort, efficiency and safety in the design of the workspace
Wireless keyboard :communicate with a receiver attached to a port on the system unit
PDA keyboard :miniature keyboards for PDAs and smartphones to send email, create documents and more
Virtual keyboard:display an image of a keyboard on a touch screen device. Common on tablet computers and mobile devices.
Pointing device:input device that allows a user to control a pointer on the screen
Types of pointing device
Mouse :mechanical mouse, optical mouse, laser mouse, air mouse, wireless mouse
Trackball:a stationary pointing device with a ball on its top or side
Touchpad:a small,flat,rectangular pointing device that is sensitive to pressure and motion
Pointing stick:a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard
Touch screen:users can interact with touch screens by touching area of the screens.
Scanner and reading device
Capture data from a source document which is the original form of data.
Types of scanner and reading device
Flatbed of scanner, pen or handheld scanner, sheet-fed scanner, drum scanner
Pen input
An input device that is input by touch a stylus or digital pen on a flat surface to write, draw or make selections EX:stylus ,digital pen
Game controller
Input device that directs movements and actions of on-screen oblects EX:games pad, joystick &wheel, light guns,dance pad, motion sensing controller
Voice input
The process of entering input by speaking into a microphone
Ex:microphone
Audio input
The process of entering any sound into the computer such as speech, music, and sound effects
Ex:electronic drum, electronic keyboard
Video input
An input device that process of capturing full motion images and storing them to a computer or mobile device storage medium
Ex:web cam, digital video camera, dronE
Biometric input
Translates a personal characteristic into a digital code that is compared with a digital code stored in the computer
ex:fingerprint reader, face recognition system, voice verification system, signature verification system
Output devices
Display device
CRT monitor, LCD monitor, plasma monitor
Printers
Impact printers
Non impact:ink-jet printers, photo printers, laser printers, thermal printers, mobile printers,label and postage printers, plotters, large-format printers.
Voice output device
Speakers, headphones, earbuds
Video output device
LCD projectors, DLP projectors