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Questions and Answers
What is the primary function of a keyboard?
What is the primary function of a keyboard?
What type of input device is a touchscreen?
What type of input device is a touchscreen?
What is the function of an RFID reader?
What is the function of an RFID reader?
What type of input device is a joystick?
What type of input device is a joystick?
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What is the function of a microphone?
What is the function of a microphone?
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What type of input device is a fingerprint reader?
What type of input device is a fingerprint reader?
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What is the function of a webcam?
What is the function of a webcam?
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What type of input device is a graphics tablet?
What type of input device is a graphics tablet?
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Study Notes
Input Devices
Input devices are hardware components that allow users to provide data or instructions to a computer system.
Types of Input Devices
1. Keyboard
- Primary input device for text-based data
- Consists of keys for typing, navigation, and function keys
- Variety of keyboard layouts (e.g., QWERTY, AZERTY)
2. Pointing Devices
- Mouse: tracks movement and clicks to interact with graphical user interface (GUI)
- Trackball: stationary ball controlled by hand to move cursor
- Touchpad: built-in pointing device on laptops, uses gestures and taps
- Touchscreen: display responds to touch input
3. Scanning and Reading Devices
- Barcode Scanner: reads barcode information using laser or camera
- Optical Scanner: reads text or images using optical character recognition (OCR)
- RFID Reader: reads radio frequency identification tags
4. Audio and Speech Input Devices
- Microphone: captures audio input for voice commands, video conferencing, or audio recording
- Speech Recognition System: converts spoken words to text or commands
5. Gaming and Simulation Devices
- Joystick: controls game or simulation actions, often used in gaming and aviation
- Game Controller: custom input device for gaming consoles
- Virtual Reality (VR) / Augmented Reality (AR) Devices: track user movements and provide immersive experiences
6. Biometric Devices
- Fingerprint Reader: authenticates users through fingerprint recognition
- Facial Recognition System: identifies users through facial features
- Iris Scanner: authenticates users through iris patterns
7. Other Input Devices
- Webcam: captures video and image input for video conferencing, surveillance, or photography
- Graphics Tablet: captures hand-drawn input for digital art or design
- Digitizer: converts handwritten input into digital format
Input Devices
- Input devices allow users to provide data or instructions to a computer system.
Types of Input Devices
Keyboard
- Primary input device for text-based data
- Consists of keys for typing, navigation, and function keys
- Variety of keyboard layouts available, including QWERTY and AZERTY
Pointing Devices
- Mouse tracks movement and clicks to interact with graphical user interface (GUI)
- Trackball is a stationary ball controlled by hand to move cursor
- Touchpad is a built-in pointing device on laptops, using gestures and taps
- Touchscreen is a display that responds to touch input
Scanning and Reading Devices
- Barcode scanner reads barcode information using laser or camera
- Optical scanner reads text or images using optical character recognition (OCR)
- RFID reader reads radio frequency identification tags
Audio and Speech Input Devices
- Microphone captures audio input for voice commands, video conferencing, or audio recording
- Speech recognition system converts spoken words to text or commands
Gaming and Simulation Devices
- Joystick controls game or simulation actions, often used in gaming and aviation
- Game controller is a custom input device for gaming consoles
- Virtual reality (VR) / augmented reality (AR) devices track user movements and provide immersive experiences
Biometric Devices
- Fingerprint reader authenticates users through fingerprint recognition
- Facial recognition system identifies users through facial features
- Iris scanner authenticates users through iris patterns
Other Input Devices
- Webcam captures video and image input for video conferencing, surveillance, or photography
- Graphics tablet captures hand-drawn input for digital art or design
- Digitizer converts handwritten input into digital format
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Description
Learn about different types of input devices that allow users to provide data or instructions to a computer system, including keyboards and pointing devices.
