COMPUTER FUNDAMENTALS

Detailed explanation-1: -One megabyte is about 1 million bytes (or about 1000 kilobytes). An MP3 audio file of a few minutes or a 10 million pixel image from a digital camera would typically take up few megabytes. The rule of thumb for MP3 audio is that 1 minute of audio takes up about 1 megabyte.

Detailed explanation-2: -1 MB is 1, 024 kilobytes, or 1, 048, 576 (1024x1024) bytes, not one million bytes. Similarly, one 1 GB is 1, 024 MB, or 1, 073, 741, 824 (1024x1024x1024) bytes. A terabyte (TB) is 1, 024 GB; 1 TB is about the same amount of information as all of the books in a large library, or roughly 1, 610 CDs worth of data.

Detailed explanation-3: -1 MB = 1024000 bytes (= 1000×1024 B) is the definition used to describe the formatted capacity of the 1.44 MB 3.5-inch HD floppy disk, which actually has a capacity of 1474560bytes.

Detailed explanation-4: -Remember: Computers can only work with binary code. However computers do like the number 1024 because its binary code is 10000000000. That’s why there are 1024 Bytes in a KB, 1024 KB in a MB and so on…

Detailed explanation-5: -A gigabyte (GB)–pronounced with two hard Gs–is a unit of data storage capacity that is roughly equivalent to 1 billion bytes. In decimal notation (base 10), a gigabyte is exactly 1 billion bytes. In binary notation (base 2), a gigabyte is equal to 230 bytes, or 1, 073, 741, 824 bytes.