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Question

One kilobyte is equal to ______________.

A
1000 bytes
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B
1024 bytes
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C
100 bytes
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D
1023 bytes
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Solution

The correct option is B 1024 bytes

One kilobyte is equal to 1024 bytes.

Many people think that there are 1000 bytes in a kilobyte. After all, "kilo" means 1000. In most cases, this approximation is fine for determining how much space a file takes up or how much disk space you have. But there are really 1024 bytes in a kilobyte.

Thus the kibibyte, symbol KiB, represents 210 = 1024 bytes. These prefixes are now part of the International System of Quantities. The IEC further specified that the kilobyte should only be used to refer to 1000 bytes. In practice, kilobyte is still commonly used to refer to 1024 bytes.

A Byte is equal to 8 Bits. A Kilobyte is actually 1,024 Bytes depending on which definition is used. A Megabyte is approximately 1000 Kilobytes. A megabyte is a unit of information or computer storage equal to 1,048,576 bytes (Difference between kilobyte, megabyte and gigabyte).

Therefore 1KB is the same as 1024 x 8 = 8192 binary digits. Gigabyte (GB): There are 1024MB in one gigabyte. Hard drive manufacturers have long eschewed this system in favour of rounding down to make things easier (and also provide less storage space). This means that 1000 bytes = 1 kilobyte and 1000 kilobytes = 1MB.


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