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What is Input Devies?
An input device is a hardware component that sends data, commands, and signals from the user or external world into a computer system
Input Devices
Input Devices
1. Keyboard
1. Keyboard
A keyboard is an input device with rows of keys for typing letters, numbers, and symbols into electronic devices, functioning like a typewriter but with added function keys (like Ctrl, Shift) to control computers, and can also refer to the key-based interface of musical instruments like pianos or synthesizers
2. Mouse
2. Mouse
A mouse is a small, handheld pointing device used to control a cursor on a computer screen, allowing users to select, click, drag, and scroll through items in a graphical user interface (GUI) by moving it across a surface.
3. Joystick
3. Joystick
A joystick is a handheld input device featuring a pivoted stick that translates its movement (tilting or pushing) into digital signals to control an object on a screen, like a cursor or character in a video game, or operate machinery, originating from aircraft controls and commonly found in gaming and simulators, often with additional buttons
4. Trackball
4. Trackball
A trackball is a computer input device with a ball on top that you roll with your fingers or palm to move the cursor, acting like an upside-down mouse that stays stationary while the ball moves.
5. Touch Screen
5. Touch Screen
A touchscreen on a computer is a display that acts as both an output (showing images) and an input device, letting users interact directly by touching the screen with a finger or stylus, replacing traditional keyboards and mice for tasks like tapping, swiping, and pinching to zoom
6. Scanner
6. Scanner
A computer scanner is an input device that digitizes physical items like documents, photos, or objects, converting them into digital files (images, PDFs) a computer can read, edit, and store, essentially acting like a digital photocopier that captures reflected light from a document using sensors to create a digital copy.
7. Micophone
7. Micophone
A microphone is a device that converts sound waves into an electrical signal. It allows you to capture audio and transmit it to various devices, such as computers, amplifiers, or recording equipment.
8. Light Pen
8. Light Pen
A light pen is a pen-shaped optical input device that lets users point, draw, or select items directly on a computer screen, working by detecting light from the display's pixels, especially common with older CRT monitors for tasks in CAD, graphic design, or early interactive systems
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