What are the functions of input devices?
Credit: K?rlis Dambr?ns CC-BY 2.0
Q:

What are the functions of input devices?

A:

Quick Answer

The function of an input device is to provide data and control signals to an information processing system like a computer. There are several different kinds of input devices used in a computer. These include a keyboard, mouse, scanner, microphone, joy stick and bar code reader, among others.

  Know More

Full Answer

Input devices function differently and fall into different categories. Certain input devices fall in the modality of input category such as visual, audio or has got mechanical motion. Other input devices fall into the input is continuous or discrete category, while another group of input devices fall into the pointing devices category.

Pointing devices are further divided depending on whether they provide direct input and indirect input. Light pens and touch screens are examples of input devices that provide direct input, while the mouse and trackball fall under input devices that provide indirect input.

Composite devices such as a game pad and Wii remote are types of input devices that are capable of providing different forms of input. A gaming controller with both a joystick and buttons to input data is an example of a composite device. So is a mouse, as it’s capable of tracking movement and its buttons can be used to input data.

Learn more about Computers & Hardware

Related Questions

  • Q:

    What are some examples of computer processing devices?

    A:

    Examples of computer processing devices include the central processing unit, motherboard and memory of a computer. These devices are responsible for storing and retrieving information.

    Full Answer >
    Filed Under:
  • Q:

    What are computer output devices?

    A:

    Computer output devices translate the code into forms the user can understand. Output devices are essential in order to use a computer since, without them, it is impossible to view the programs. Monitors and printers are two of the most common output devices.

    Full Answer >
    Filed Under:
  • Q:

    What are the latest computer input devices?

    A:

    The latest computer input devices are digital cameras, barcode readers, gamepads, webcams, scanners, touch pads, microphones and graphics tablets. In addition, there are trackballs, video capture hardware, joysticks, keyboards, mice and electronic whiteboards. An input device is a type of computer hardware that controls signals and allows data to be keyed into a computer. Traditional input devices are usually wired, but more recent devices are wireless.

    Full Answer >
    Filed Under:
  • Q:

    What are computer processing devices?

    A:

    Computer processing devices are used to process data using program instructions, manipulate functions, perform calculations and control other hardware devices. They play an important part in the processing operations of a computer. Examples of processing devices include the CPU, motherboard, chip set, clock, battery, expansion slots, data bus, address bus and random access memory.

    Full Answer >
    Filed Under:

Explore