The use of the Insert key on the keyboard knowledge method explanation

What's the use of inserts? If we open Word, enter "computer hardware and software technology network", if you adjust the cursor to the front of the Web site, press the INSERT key (LED light), and then enter the "Technology network", Return, "website" will be replaced by the "Technology network", when you want to replace the contents of the document, the operation will be very convenient!

The Insert key is a function key that toggles the input mode. Overwrite (replace) mode when the related knowledge indicator light is on, by default, the LED is not lit is in insert mode. Insert keys are generally located near the numeric keypad, depending on the different keyboard design, will change. As shown in the following figure, it is positioned above the arrow keys and the upper-left corner of the numeric keypad.