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Output/Input Devices - Coggle Diagram
Output/Input Devices
Input Devices
Hard Copy
Inkjet Printer
Notes: Sprays tiny droplets of liquid ink onto paper. Good for high-quality photo printing.
Laser Printer
Notes: Uses a laser beam and toner (powder) to print. Uses heat to fuse toner to paper.
3D Printer
Notes: Creates three-dimensional objects by building up material layer by layer. Used for prototyping, manufacturing, and medical models.
Soft Copy
Light Projectors
Notes: Takes video signal from a computer and projects a magnified image onto a screen. Used for presentations, home theaters, and classrooms.
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Control Devices
Actuators
Notes: A component of a machine that is responsible for moving or controlling a mechanism (e.g., opening a valve, moving a robot arm).
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Output Devices
Manual Entry
Keyboard
Notes: Primary text input device. Uses key switches to register characters. Can be wired or wireless.
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Direct Data Entry
Barcode Scanners
Notes: Uses lasers or cameras to read barcodes (e.g., in shops/libraries).
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3D Scanners
Notes Lasers/light probes an object to create a digital 3D model (e.g., for engineering, game design)
Digital Camera
Notes: Captures still photos or video by focusing light onto an image sensor. Stores images digitally on memory cards.
Sensors
Microphone
Notes: Converts sound waves into an electrical (analog) signal, which is then converted to digital data. Used for voice recording, calls, and voice commands.