Can"t tell your bits from your bytes? Read on lớn learn the difference & figure out what broadband tốc độ is right for your home.
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Connection speeds and data sizes are measured differently, but people tend khổng lồ informally refer to lớn them both as "megs". The problem is that the word "meg" actually refers to two very different values: megabits và megabytes. But aren"t they the same thing?
Actually no, there"s a big difference between a bit và a byte. A byte is much bigger — eight times bigger, to lớn be exact, with eight bits in every byte. So there are eight megabits (Mb) in every megabyte (MB), & eight gigabits (Gb) in every gigabyte (GB).
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Bits, bytes and broadband speeds
You may be wondering how this relates to you và your broadband speed.
Data sizes are usually measured in "bytes", and broadband speeds are measured in "bits". Based on the file form size and your connection speed, you can estimate how long it"ll take you to tải về something.
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Let"s say you find a file online that is 17 megabytes (MB) in size, and you want to download it using your 17 megabit per second (Mbps) broadband connection. This won"t take one second; it will take eight times one second because a megabyte is eight times bigger than a megabit. So in theory — and with a perfectly consistent speed — it should take eight seconds khổng lồ download.
Before you start reaching for your calculator, read our guide to download times. We"ve pulled together a danh mục of the most common broadband speeds & file sizes khổng lồ give you an idea of how long it will take to download films, TV series, songs & more.
How can I tell the difference between a bit & a byte?
From how it"s written. A byte is an uppercase "B" and a bit is a lowercase "b". If it says MB, all capitals, then it is a megabyte. If it says Mb, then it is a megabit.
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There is one exception to lớn this, of course, & it is the symbol for kilobit, which is "kb", all lowercase. But these tệp tin sizes are so small nowadays that you shouldn"t really see much of them.
It"s easy to figure out based on common sense: an uppercase "B" is physically larger than a lowercase "b", & a byte is larger than a bit.
Other file sizes to know about
While there"s a range of different file sizes, most of us only need khổng lồ know a little bit (no pun intended) of prefixes. Here are the most common ones.
KB, MB, GB - A kilobyte (KB) is 1,024 bytes. A megabyte (MB) is 1,024 kilobytes. A gigabyte (GB) is 1,024 megabytes. A terabyte (TB) is 1,024 gigabytes.
kb, Mb, Gb - A kilobit (kb) is 1,024 bits. A megabit (Mb) is 1,024 kilobits. A gigabit (Gb) is 1,024 megabits. A terabit (Tb) is 1,024 gigabits.
Don"t forget! There are eight bits in a byte, so khổng lồ translate from one to lớn the other, you can multiply or divide by eight. For example, if you want lớn transfer 38MB across a 38 Mbps connection, it will take eight seconds.
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