Other contributors have said "What is smalle a megabyte a gigabyte or a kilobyte?" is the same question as "What are megabytes gigabytes and kilobytes?" If you believe that these are not asking the same thing and should be answered differently, click here
It refers to the size of files which is what is used in a computer. Byte: 1 Kilobyte: 1,000 bytes Megabyte: 1,000,000 bytes Gigabyte: 1,000,000,000 bytes
You can think of this in two different ways, the computer way (1024) or the human way, (1000). In normal conversation, which is now depreciated Computer Science, it refers to the following: bit = '0'...