Sensor and serial monitor

Hi folks, today I hooked up my LM35 temperature chip to my Arduino Uno R3 and looked at the output on the serial monitor.It worked fine.Then I disconnected the chip completely from the Arduino but the serial monitor continued to show a varying updated temperature...how is that happening and why? Sorry if I am being thick . I am new to all this. Thanks for any help...

AH,I think I see what is happening now , it has taken a set of temperatures whilst connected and is then repeating them over and over after I unplugged the chip...damn I feel stupid.Took me a while to see it because it is a huge long ,ever changing list.

leema1: AH,I think I see what is happening now , it has taken a set of temperatures whilst connected and is then repeating them over and over after I unplugged the chip...damn I feel stupid.Took me a while to see it because it is a huge long ,ever changing list.

This always happens After you press thte post button ;)

chuck.