Mouse

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Mouse


Mouse, Niraj Tutorials
Mouse is a device that controls the movement of curser or pointer on a display screen.
      A mouse is a small object, you can scroll along hard flat surface . It's name is derived from its shape. The mouse is important for graphical user can simply point to option click a mouse bottom.

Scanner


Scanner, Niraj Tutorials

The keyboard can input only text thought keys provided in it. If we want to input a picture the keyboard cannot help us. Scanner is an optical device that can input any graphics chart or picture get it.

Light Pen

Light Pen, Niraj Tutorials

Light pen is a input device that is used hand in hand with the computer monitor it is called a light pen because its action is activated by light. It is important note cannot work with LCD (Liquid Crystal Display) screen, only work with traditional monitor CRT (Cathode Ray Tube).

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