Computer Science for IGCSE & O level - Data Representation (Section 14 - No. 42)
Which of the following binary numbers represents the decimal number 10?
1000
1001
1010
1100
Giải thích
1010 in binary is equivalent to (1 * 2^3) + (0 * 2^2) + (1 * 2^1) + (0 * 2^0) = 8 + 0 + 2 + 0 = 10.