Input Devices
Input devices are hardware components that allow users to enter data and commands into a computer for processing.
Most common input device.
Consists of alphabetic, numeric, and special keys.
Used for typing text, numbers, and executing commands.
Pointing device used to interact with graphical elements on the screen.
Types: Mechanical, Optical, Wireless.
Supports clicking, dragging, and scrolling.
Converts physical documents or images into digital format.
Types: Flatbed, Sheet-fed, Handheld.
Commonly used for digitizing photographs and paperwork.
Captures audio input.
Converts sound waves into digital signals.
Used in voice recording, video calls, and voice recognition.
Captures images and video as input.
Used in video conferencing, online streaming, and security systems.
Specialized input devices for gaming and simulations.
Provides directional control and button commands.
Combines input and output capabilities.
User can directly interact with display using fingers or stylus.
Detects light from the screen to select or draw objects.
Mostly used in graphics and design applications.
Includes barcode readers, biometric devices, RFID scanners.
Used for specialized input in industries and security.
Input devices capture data and commands for the computer.
They can be manual (keyboard, mouse), audio/visual (microphone, webcam), or specialized (joystick, sensors).
Proper selection depends on task requirements and user interaction.
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