Do cell phone cameras have an aperture and a shutter?

The opening of a lens is inherently an aperture. However, cell phones don't have variable apertures. You won't find them in small point and shoot cameras, either. The issue here is diffraction. read more

Yes. All the cameras do have an aperture and shutter. Generally aperture diaphragm in mobiles cannot be changed ie; they will be wide open always, and camera will have an electronic shutter. Only high end cameras can change their shutter speed. read more

I have been into photography for the past 2 years, and still learning lots about the mixtures of a camera's aperture, shutter speed, ISO, and what they do and why. read more