The most commonly used input device is the keyboard. It is a peripheral device that allows a user to input text into a computer or other electronic device. The keyboard is typically made up of a set of keys that correspond to letters, numbers, and symbols. When a key is pressed, it sends a signal to the computer, which then displays the corresponding character on the screen.
The keyboard is a very versatile input device. It can be used for a variety of tasks, such as typing text, entering numbers, and controlling the cursor. It is also a very portable device, which makes it ideal for use with laptops and other mobile devices.
The keyboard is the most commonly used input device because it is easy to use and learn. It is also a very efficient way to input text. In addition, the keyboard is a very versatile device that can be used for a variety of tasks.
The other options are:
- Mouse: A mouse is a pointing device that is used to control the cursor on a computer screen. It is typically made up of a small, handheld device with two or more buttons and a scroll wheel. When the mouse is moved, the cursor on the screen moves in the same direction. The buttons on the mouse can be used to select items, click links, and perform other actions.
- Joystick: A joystick is a pointing device that is used to control the movement of an object on a computer screen. It is typically made up of a long, stick-like handle that can be moved in any direction. The joystick is often used in games to control the movement of a character or vehicle.
- Scanner: A scanner is a device that is used to convert images or documents into digital files. It is typically made up of a flatbed surface on which the image or document is placed. The scanner then uses a light source to scan the image or document and convert it into a digital file.
These devices are all input devices, but they are not as commonly used as the keyboard. The keyboard is the most versatile and efficient input device, which is why it is the most commonly used.