← What a Byte Holds · Lesson 2 of 3
Why 1,024
Memory is built in powers of two, and 2¹⁰ = 1,024 is the power of two closest to a thousand. For years a "kilobyte" meant 1,024 bytes.
Today there are two sets of names: a kilobyte (kB) is 1,000 bytes and a kibibyte (KiB) is 1,024. That is why a new drive often shows a little less space than the box says.
Twenty yes-or-no questions can tell apart how many different things?
A lesson is kept once you've answered the question and written at least 8 words. Nobody grades it; it stays on this device.