




14012014, 04:58 PM  #1 
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How much is 1 byte, 1KB, 1MB, 1GB, 1TB , 1PB, 1EB, 1ZB, 1YB
How much is 1 byte, 1KB, 1MB, 1GB, 1TB , 1PB, 1EB, 1ZB, 1YB Bit : A Bit is a value of either a 0 or 1. Byte : 1 Byte = 8 Bits Kilobyte (KB) : 1 KB = 8,192 Bits , 1 kB = 1,024 Bytes Megabyte (MB) 1MB =1024 KB Gigabyte (GB) 1GB = 1024 MB Terabyte (TB) 1TB = 1024 GB Petabyte (PB) 1PB = 1024 TB Exabyte (EB) 1EB = 1024 PB Zettabyte (ZB) 1ZB = 1024 EB Cách tính ngược 1 bye = 8bit 1 kbye = 8000 bit Vậy 1.100.000 kbits x 1024 /8192 == 148.721 kbye 148.721kbye = 145Mbye How much is 1 byte, kilobyte, megabyte, gigabyte, etc.? Below is a listing of each of the commonly accepted disk drive space values. It is important to realize that not all manufacturers and developers use these values. For example, a manufacturer may consider a gigabyte as 1,000,000,000 and not 1,073,741,824 bytes, we've listed the commonly accepted values in their binary base 2 values. Note: All values here are expressed as whole numbers. This means a GB shows it can only contain one 650MB CD but in reality 1GB could hold 1.5753... of a 650MB CD. Since we've created this document to illustrate how much each value can contain in whole, no decimal values are shown. In other words you can only fit one complete 650MB CD on a 1GB drive since two 650MB complete discs would exceed 1GB. Tip: With the exception of bit and a nibble, all values explained below are in bytes and not bits since this document relates to computer storage capacity. For example, a Kilobyte (KB) is different than a Kilobit (Kb). When referring to storage, bytes are used, when referring to transmission speeds bits are used. Bit A bit is a value of either a 1 or 0 (on or off). Nibble A Nibble is 4 bits. Byte A Byte is 8 bits. Kilobyte (KB) A Kilobyte is 1,024 bytes. Megabyte (MB) A Megabyte is 1,048,576 bytes or 1,024 Kilobytes
A Gigabyte is 1,073,741,824 (230) bytes. 1,024 Megabytes, or 1,048,576 Kilobytes.
A Terabyte is 1,099,511,627,776 (240) bytes, 1,024 Gigabytes, or 1,048,576 Megabytes.
A Petabyte is 1,125,899,906,842,624 (250) bytes, 1,024 Terabytes, 1,048,576 Gigabytes, or 1,073,741,824 Megabytes.
An Exabyte is 1,152,921,504,606,846,976 (260) bytes, 1,024 Petabytes, 1,048,576 Terabytes, 1,073,741,824 Gigabytes, or 1,099,511,627,776 Megabytes.
A Zettabyte is 1,180,591,620,717,411,303,424 (270) bytes, 1,024 Exabytes, 1,048,576 Petabytes, 1,073,741,824 Terabytes, 1,099,511,627,776 Gigabytes, or 1,125,899,910,000,000 Megabytes.
A Yottabyte is 1,208,925,819,614,629,174,706,176 (280) bytes, 1,024 Zettabytes, 1,048,576 Exabytes, 1,073,741,824 Petabytes, 1,099,511,627,776 Terabytes, 1,125,899,910,000,000 Gigabytes, or 1,152,921,500,000,000,000 Megabytes.
To calculate the above values is simple once you know the values of each of the above sizes. For example, in the above example we know that 1 gigabyte is equal to 1,024 Megabytes. Therefore to determine how many 4MB MP3 files are in a Gigabyte we take 1,024 / 4 to get 256 total 4MB MP3 files in one gigabyte. 
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