Instead of typing a sequence of commands on the computer keyboard; the user merely points to tiny "icons" or commands on the screen by sliding the "mouse" (a plastic control box the size of a cigarette pack) on the desktop beside the computer. As the mouse rolls, an arrow called a cursor moves across the screen. To erase obsolete information, for example, the user moves the mouse to point first at whatever is to be thrown away, and then at an icon in the shape of a tiny trash can...
Instead of typing a sequence of commands on the computer keyboard; the user merely points to tiny "icons" or commands on the screen by sliding the "mouse" (a plastic control box the size of a cigarette pack) on the desktop beside the computer. As the mouse rolls, an arrow called a cursor moves across the screen. To erase obsolete information, for example, the user moves the mouse to point first at whatever is to be thrown away, and then at an icon in the shape of a tiny trash can...