Graphic objects and how they are displayed
Answers are for parents and teachers.
1
How many pixels does a 3840×2160 (4K) display have?
8294400
2
How many times more pixels does a 3840×2160 display have than a 1920×1080 one?
4
3
How many bytes does a 1000×500 pixel, 24-bit picture take when uncompressed?
1500000
4
Briefly explain the difference between a monitor and a display.
The monitor is the whole device; the display is the part that shows the picture (a laptop or phone has only a display).
5
Give one example each of scientific and artistic graphics.
Scientific: a graph of experiment results; artistic: a picture drawn on a computer.