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Digital Literacy Computer Basics Computer Basics Binary

what number is represented by 01111

what number is represented by 01111

2 Answers

01111 = (0 × 2⁴) + (1 × 2³) + (1 × 2²) + (1 × 2¹) + (1 × 2⁰) = 15

Michael Shields
Michael Shields
12,638 Points

Kris is correct, just want to add a method to help get used to reading binary quick and avoid frustration when calc'ing the conversion by hand...create a quick table on paper like below, don't get fooled by going right-to-left again. Cheers!

0 1 1 1 1

2^4 2^3 2^2 2^1 2^0