INPUT DEVICES

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INPUT DEVICES

  1. 2. <ul><ul><li>A piece of hardware that is used to enter data into a computer. </li></ul></ul><ul><ul><li>Examples of an input devices: </li></ul></ul><ul><ul><ul><li>- Keyboard - Scanner </li></ul></ul></ul><ul><ul><ul><li>- Mouse - Microphone </li></ul></ul></ul><ul><ul><ul><li>- Touchpad - Digital camera </li></ul></ul></ul><ul><ul><ul><li>- Joystick - Barcode reader </li></ul></ul></ul>
  2. 3. <ul><ul><li>The most common and widely used input device. </li></ul></ul><ul><ul><li>Made up of buttons called ‘keys’. The keys are arranged into sections: </li></ul></ul><ul><li>alphabet keys, Function keys (F1,F2), Numeric keys, command keys (insert, delete, home) </li></ul><ul><ul><li>Most commonly called ‘QWERTY’ keyboard. </li></ul></ul>
  3. 4. <ul><ul><li>Invented by Douglas Engelbart in 1963. </li></ul></ul><ul><ul><li>Allows an individual to control a pointer in a graphical user interface (GUI). </li></ul></ul><ul><ul><li>A central wheel allows you to scroll up and down the page. </li></ul></ul><ul><ul><li>Left clicking usually lets you put </li></ul></ul><ul><li>your cursor at a certain point. </li></ul><ul><ul><li>Right clicking usually display a list of </li></ul></ul><ul><li>menu items from which to choose. </li></ul>
  4. 5. <ul><ul><li>An input device which is usually found on a laptop computer. </li></ul></ul>
  5. 6. <ul><ul><li>An input device that looks similar to a control device you would find on an arcade game at your local arcades. </li></ul></ul><ul><ul><li>Allows an individual to easily move an object in a game such as navigating a plane in a flight simulator. </li></ul></ul>
  6. 7. <ul><ul><li>Input device that allows a user to take an image and/or text and convert it into a digital file, allowing the computer to read and/or display the scanned object. </li></ul></ul><ul><ul><li>Commonly connected to a computer USB and parallel ports. </li></ul></ul>
  7. 8. <ul><ul><li>Sometimes abbreviated as mic, a microphone is a hardware peripheral originally invented by Emile Berliner in 1877. </li></ul></ul><ul><ul><li>Allows computer user to input audio into their computers. </li></ul></ul>
  8. 9. <ul><ul><li>A type of computer that stores the pictures or video it takes in electronic format instead of to film. </li></ul></ul><ul><ul><li>The quality of the image is dependent on the resolution or the number of pixels. </li></ul></ul><ul><li>The more pixels, the better the quality and clarity of the image. </li></ul><ul><ul><li>Most digital cameras range from 4 – 12 Megapixels. </li></ul></ul>
  9. 10. <ul><ul><li>An electronic device for reading printed barcodes. </li></ul></ul><ul><ul><li>It consists of a scanner, a decoder (either built-in or external) , and a cable used to connect the reader with a computer. </li></ul></ul>

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