Is it true that 1 MB can mean either 1000000 bytes, 1024000 bytes, or 1048576 bytes?
Problem
Possible Duplicate: What is the difference between a kibibyte, a kilobit, and a kilobyte? If 1 KB (kilobyte) can mean either 1000 bytes or 1024 bytes, And 1 MB (megabyte) can mean either 1000 KB or 1024 KB, doesn't that mean that 1 MB can either mean any of the one of the four below? : 1000 × 1000 = 1000000 bytes 1000 × 1024 = 1024000 bytes 1024 × 1000 = 1024000 bytes 1024 × 1024 = 1048576 bytes Or is 2. and 3. not accepted so 1 MB could mean either only 1000000 bytes of 1048576 bytes?
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1 Fix
Fix for: Is it true that 1 MB can mean either 1000000 bytes, 1024000 bytes, or 1048576 bytes?
First, there are two types of prefix when talking about digital information (read bytes): SI prefixes and binary prefixes. SI prefixes SI prefixes are powers of 1,000 (1,0001, 1,0002, 1,0003, etc.): 1 kB = 1 kilobyte = 1,0001 bytes = 1,000 bytes; 1 MB = 1 megabyte = 1,0002 bytes = 1,000,000 bytes; 1 GB = 1 gigabyte = 1,0003 bytes = 1,000,000,000 bytes; and so on. As you can see, only SI symbols mega and above are capitalized. Therefore, KB is not a valid prefix. Binary prefixes Binary prefixes …
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