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Which input device is usually a standard feature of laptops?
1. Magnetic Stripe reader
2. Graphic Tablet
3. Alpha numeric Keyboard
4. Touch pad

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Correct Answer - Option 4 : Touch pad

The correct answer is Touchpad.

  • The touchpad is the input device which is usually a standard feature of laptops.
    • A touchpad or trackpad is a pointing device featuring a tactile sensor, a specialized surface that can translate the motion and position of a user's fingers to a relative position on the operating system that is made output to the screen.
    • Touchpads are a common feature of laptop computers as opposed to using a mouse on a desktop. 
    • Touchpads are also used as a substitute for a mouse where desk space is scarce.
    • Laptops with touchpads were then launched by Olivetti and Triumph-Adler in 1992.

  • Magnetic Stripe reader:- A magnetic stripe reader is also called a magstripe reader. 
    • It is a hardware device that reads the information encoded in the magnetic stripe located on the back of a plastic badge.
    • The magnetic stripe on the back of a badge is composed of iron-based magnetic particles encased in plastic-like tape.
  • Graphic Tablet:- A graphics tablet is a computer input device that enables a user to hand-draw images, animations, and graphics, with a special pen-like stylus, similar to the way a person draws images with a pencil and paper.
    • Graphic tablets may also be used to capture data or handwritten signatures.
    • It can also be used to trace an image from a piece of paper that is taped or otherwise secured to the tablet surface.
  • Alpha-numeric keyboard:- A computer keyboard is a peripheral input device modeled after the typewriter keyboard which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
    • Keyboard keys (buttons) typically have a set of characters engraved or printed on them, and each press of a key typically corresponds to a single written symbol.
    • While most keyboard keys produce letters, numbers, or symbols (characters), other keys or simultaneous key presses can prompt the computer to execute system commands, such as the Control-Alt-Delete combination used with Microsoft Windows.

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