A byte is eight bits(binary digits, true false, on off, 1 0) ). We have 256 outcomes in a byte. 2 to the power of eight equals 256. The smallest file usable consists of 4 bytes = 2561024 bits = 1 K. There are many hidden files in the root of your computers directories, and the size of most of them are typically 1024 b or 20048 In the file management environment things have speeded up. During file transmitions it's easy to observe the size of the files being transmitted, and again, they are 1024 gran plus 2048