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The Six Categories of Input devices

1.Typing Devices
example: Keyboard

2. Pointing Devices
example: Mouse, joystick, trackball,light pen or stylus, track pod, track point, touch screen, touch pod.

3.Optical Reading Devices
Bar code reader
biometric scanner
OCR - Optical Mark Reader
HPR - Hand Print Recognition
Scanner/Image Scanner
Flatbed
Handheld
CD/DVD Rom's Drive
Retinal I.D
Finger Print I.D

4. Magnetic Reading Devices
MICR - Magnetic Ink character Reader
Magnetic Stripes Reader
Floppy Disk Drive
External Hardrive/disk
USB Port

5. Audio Input Devices
Microphone
Headset
Voice Recognition Unit
Earpiece

6. Connectivity Devices
Bluetooth
Infrand
WiFi
Modem/router
Smart Bro
Globe Tattoo

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14y ago
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11y ago

Input devices specializing in direct input from a human would include keyboards for input of character symbols, mice (along with their close relatives, trackballs and graphics tablets) for input of movement, and microphones (for input of voice).

Other input devices include the ambient light sensor for automatic adjustment of screen brightness and keyboard backlight, various temperature sensors for automatic fan speed control, various voltage sensors for monitoring the power supply's health, and rotational speed sensors for monitoring the fan's correct operation. Gaming consoles also feature a variety of motion and acceleration sensors.

Modern smart phones and other forms of mobile computers often include a GPS sensor device (time and location), magnetometer (magnetic field), acceleration sensor and sensors to determine the rotation of the device relative to a normative three-dimensional space.

Less common input devices include infrared sensors for remote control functions, or specialized equipment such as computer-based implementations of oscilloscopes or logic analyzers.

Non-volatile storage devices (hard disk drives, memory card readers, etc) and networking facilities (LAN and WiFi adapters, Bluetooth adapters, etc) also provide input to the computer, but are not usually classified as input devices due to their bi-directional nature.

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13y ago

there are many types of input devises but the main ones are game pad, digital camera,mouse,webcam,scanner,keyboard,microphone ect...

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12y ago

Pens, Touch Screens & audio sources

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Q: List 3 categories of alternative input devices?
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