A typical pc

Input devices:type,click and talk
Input devices are hardware components or peripherals that allow users to interact with a computer or other electronic devices by providing input or commands. Here are three common types of input devices:

1. 
   Type/Input devices: These devices are used to enter text or alphanumeric characters into a computer or device. The most common type/input device is the keyboard, which consists of a set of keys representing letters, numbers, symbols, and function keys. Keyboards can be either wired or wireless and come in various layouts, such as QWERTY, AZERTY, or Dvorak.
   
2. 
   Click/Input devices: These devices are used to interact with graphical user interfaces (GUI) by pointing and selecting objects on the screen. The most common click/input device is the mouse, which typically consists of one or more buttons and a scroll wheel. There are various types of mice, including wired, wireless, optical, and ergonomic models.
   
3. 
   Talk/Input devices: These devices enable users to input commands or interact with a computer or device using voice recognition technology. The most well-known talk/input device is the microphone, which converts sound waves into electrical signals that can be interpreted by the computer. Speech recognition software translates the spoken words into text or executes specific commands based on the user's voice input.
   

Additionally, there are other input devices like touchscreens, trackpads, game controllers, stylus pens, barcode scanners, etc., that provide alternative methods of input depending on the specific use case and device. Input devices are hardware devices that allow users to interact with a computer or electronic device by providing input or commands. These devices enable users to input data, control functions, and communicate with the computer system. Here are some common examples of input devices:

1. 
   Keyboard: A keyboard is one of the most familiar input devices. It consists of a set of keys, including alphanumeric keys, function keys, and special keys, such as the Enter key, Backspace key, and arrow keys. Users press the keys to input characters, numbers, and commands into the computer.
   
2. 
   Mouse: A mouse is a pointing device that allows users to move a cursor on the computer screen and interact with graphical user interfaces. It typically has buttons to perform various actions, such as selecting, clicking, dragging, and scrolling.
   
3. 
   Touchscreen: A touchscreen is a display device that allows users to input commands or interact directly with the screen by touching it. Touchscreens are commonly used in smartphones, tablets, and many other devices, providing an intuitive and direct input method.
   
4. 
   Trackpad: A trackpad, also known as a touchpad, is a flat surface that serves as a pointing device on laptops and some desktop computers. Users can move their fingers on the trackpad to control the cursor and perform various gestures to interact with the computer.
   
5. 
   Joystick: A joystick is an input device commonly used in gaming. It consists of a handheld stick that can be moved in different directions and buttons for triggering actions. Joysticks are often used to control movement and perform actions in video games.
   
6. 
   Gamepad: A gamepad is a handheld controller designed specifically for gaming. It typically features buttons, directional pads, analog sticks, and triggers to provide precise control and input for gaming consoles and computers.
   
7. 
   Scanner: A scanner is an input device that converts physical documents or images into digital format. It captures the content of the document or image and sends it to the computer for further processing or storage.
   
8. 
   Microphone: A microphone is an input device used to record audio. It converts sound waves into electrical signals that can be processed by the computer. Microphones are commonly used for voice input, recording audio, or participating in voice chats.
   
9. 
   Webcam: A webcam is a camera device that captures video and transmits it to a computer or network. It is commonly used for video conferencing, video chatting, live streaming, and capturing images or videos.
   
10. 
    Digital Pen: A digital pen, also known as a stylus, is an input device that allows users to write or draw directly on a touchscreen or a digital graphics tablet. It can be used for precise input, creating digital art, taking notes, or annotating documents.
    

These are just a few examples of input devices, and there are many more specialized input devices available for specific purposes or industries.