Question: Which of the following are input devices?

Answer:

Input devices are devices that are used to input data or commands into a computer system. The following are examples of input devices:

1. Keyboard: A keyboard is a common input device that allows users to enter text, numbers, and commands by pressing keys.

2. Mouse: A mouse is a pointing device that enables users to move a cursor or pointer on the screen and interact with graphical user interfaces by clicking buttons.

3. Scanner: A scanner is used to convert physical documents or images into digital format, allowing them to be input into a computer system.

4. Microphone: A microphone is an input device used to capture audio or sound. It allows users to input spoken commands or record audio files.

5. Webcam: A webcam is a video camera that captures video and sends it to a computer in real-time. It is commonly used for video conferencing or recording videos.

6. Touchscreen: A touchscreen allows users to interact with a computer system by directly touching the display screen. It can be found in devices such as smartphones, tablets, and certain laptops.

7. Joystick: A joystick is an input device used for controlling movement or direction in gaming or simulation applications. It typically consists of a handheld stick that can be tilted or moved in different directions.

8. Trackpad: A trackpad is a touch-sensitive pad commonly found on laptops. It allows users to move the cursor or pointer by sliding their fingers across its surface.

9. Digital Pen/Stylus: A digital pen or stylus is a pen-like device that allows users to write or draw directly on a digital surface, such as a graphics tablet or touchscreen.

These are just a few examples of input devices, and there are many more devices available that serve different purposes for inputting data into a computer system.