Multiple choice

A pixel is

  1. a computer program that draws picture

  2. a picture stored in secondary memory

  3. the smallest resolvable part of a picture

  4. none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A pixel (picture element) is the smallest addressable element in a raster image or display. It's the basic unit of digital imaging and represents a single point in an image. The resolution of an image or display is measured in total pixels.