সঠিক উত্তর হচ্ছে: পিকসেল
ব্যাখ্যা: In digital imaging, a pixel, pel, or picture element is the smallest addressable element in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.\n[Source: Reading, MA: Addison-Wesley. ISBN 0201144689]