Narayane :
How do I turn on the camera on my Samsung Galaxy S1?
You will need to find and open the Camera App to use the Camera on your Samsung Galaxy S1. It should be on your home screen, or if it isn't you can find it in your phone's App Drawer. To access the App Drawer click the grid like icon at the bottom of your screen. Yours may look a little different, but it should be at the center of the bottom row of icons.
Once you've accessed the App Drawer, look for the Camera App (pictured below).