HTML full course beginner to advanced part-4

A computer mouse is an input device that is used with a computer. Moving a mouse along a flat surface can move the cursor to different items on the screen. Items can be moved or selected by pressing the mouse buttons(called clicking). Today's mice have two buttons, the left button and right button, with a scroll wheel in between the two.

It is called a computer mouse because of the wire that connects the mouse to the computer. The people who designed it thought that it looked like the tail on a mouse. Today, many computer mice use wireless technology and have no wire. There are many types of mouse. Optical mouse, wireless mouse, mechanical mouse, trackball mouse. A computer mouse is a handheld hardware input device that controls a cursor in a GUI and can move and select text, icons, files, and folders. For desktop computers, the mouse is placed on a flat surface such as a mouse pad Or a desk and is placed in front of your computer. The picture to the right is an example of a desktop computer mouse with two buttons and a wheel. The mouse was originally known as the X-Y position Indicator for a display system and was invented by Douglas Engelbart in 1963 while working at Xerox PARC. However, due to Alto's lack of success, the first widely used application of the mouse was with the Apple Lisa computer. Today this pointing device is on virtually every computer .Move the mouse cursor- The primary function is to move the mouse pointer on the screen. Open or execute a program- once you've moved the pointer to an icon, folder, or other object clicking or double clicking that object opens the document or executes the program. Pointing to an item on the screen means moving your mouse so the pointer appears to be touching the item. when you point to something, a small box often appears that describes the item.