What is the reason for the input device of the computer function?

August 26, 2020 by Louie Sharp


If you have a computer with working input devices on your PC, this guide might help.

In computing, an input device is a device that is used to transmit data and control signals to an information processing system such as a computer or information device. Keyboards, mice, scanners, digital cameras, joysticks, and microphones are examples of input devices.



What are the 10 examples of input devices?

In computing, an input device is a piece of hardware used to transmit data and control signals to an information processing system, such as a computer or information device. Keyboards, mice, scanners, digital cameras, and joysticks are examples of input devices.


"Keyboards" are user interface devices represented as buttons. Each key or key can be used either to enter a character into the computer or to invoke a specific function on the computer. They act as the main interface for entering text for most users. Traditional keyboards use spring-loaded keys, but newer designs use virtual keys or even protruding keyboards.


Pointing devices are the most common input devices in use today. A pointing device is a human interface device that allows a user to input spatial data into a computer. In the case of mice and touchpads, thiso is usually achieved by detecting motion on a physical surface. Analog devices such as 3D mice, gamepads or joysticks indicate their angle. Pointing device movements are represented by pointer movements on the screen, creating an easy and intuitive way to navigate the computer's graphical user interface (GUI).

Composite Devices

What are 10 input devices and their functions?

  • Keyboard. The keyboard is the most common and widely used input device for entering data into a computer.
  • Mouse. The mouse is the most popular pointing device.
  • Controller. The joystick is also a pointing device that moves the position of the cursor on the control screen.
  • Lightweight handle.
  • Trackball.
  • Scan.
  • Digital converter.
  • Microphone.

  • Input devices such as buttons and joysticks can be combined on a single physical device, which can be viewed as a composite device. Such controllers are found on many gaming devices. Technically, mice are composite devices in the sense that they follow movement and provide buttons to click. However, it is generally assumed that composite devices have more than two different input forms.

    Video Input Devices

    Video capture devices are used to digitize images or videos from the outside world to a computer. Information can be stored in various formats depending on the needs of the user.

    Sound Input Devicesuk

    Audio input devices are used to record audio. In some cases, an audio output device can be used as an input device to capture the generated audio. Audio input devices allow the user to send audio signals to a computer for processing, recording, or command execution. Devices such as microphones allow users to talk to a computer to record a voice message or navigate software. Besides recording, audio input devices are also used with voice recognition software.

    function input device computer







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