Modern digital cameras uses CMOS sensor. Older digital cameras used CCD sensor. I don't know which of them have higher quality.
The CMOS sensor cell itself may have its weaknesses (smaller dynamic range, larger sensitivity tolerance), but the CMOS process allows to use more complex shutter schemes, which are able to compensate the drawbecks to an extend normal photos mostly end up in a better quality.
But mainly the shutter artifacts around moving or fast flashing objects (stroboscopic effects) are just different, so may seem unpredictable in some modes. It is given mainly by the variability of the shutter schemes (these include summing multiple exposures of certain frame areas).
Film, as well as CCD have fixed shutter scheme, which are easier to understand so you may utilize them in some special arrangements.
The CMOS variability makes it harder to understand all and the lower dynamic range does not allow to fix just one shutter scheme, so utilize the shutter effects in an artistic composition is way harder.
But here we are really talking about special artistic compositions.
For normal photos you will never see these disadvantages.
