Computer Science for IGCSE & O level - Data Representation (Section 12 - No. 43)
What is the range of unsigned integers that can be stored in 4 bits?
0-7
0-15
1-16
-8 to 7
הֶסבֵּר
With 4 bits, you can represent 2^4 = 16 values, starting from 0, so the range is 0-15.