Computer Science for IGCSE & O level - Data Representation (Section 15 - No. 48)
What range of decimal numbers can an 8-bit unsigned integer represent?
-128 to 127
0 to 255
1 to 256
-255 to -1
解释
An 8-bit unsigned integer can represent 2^8 (256) distinct values, ranging from 0 to 255.