If you have a cell phone or a computer then you probably see how many megabytes a games is when you download it or how many gigabytes a movie is when you buy it to download. The base unit for measuring data is bytes, and with technology advancing constantly, its becoming more and more common to think in these measurements. When you buy a computer, you want one that has a hard drive with a high number of gigabytes so that it can store a large amount of information. A bit can store only whether it is 1 or 0.
Bytes and kilobytes are too small that today they are not enough for measuring storage capacities. Then kilobytes make up one megabyte. A JPG file used to store a photo would be a few megabytes.
The capacity of a DVD is a couple of gigabytes and an HD video can have a file size of few gigabytes. A terabyte is a quite large storage as per today where a generally a hard disk currently at the market have capacities such as 1 terabytes and 2 terabytes.
A megabyte means kilobytes. That is x bytes. A megabyte is stated using the letters MB. For example, 4 megabytes is written as 4 MB. In the present , a megabyte, though it has a huge number of bytes, is not a much large capacity.
Today, even a JPG image taken from a digit al camera is larger than a megabyte. A mp3 file that stores a song also is about MB. Gigabyte used to be an exotic term too, until Moore's law made it common. Gigahertz - Speed, not Bytes One gigahertz is 1 billion cycles per second a megahertz is a million cycles per second. Gigahertz is a measure of speed, very roughly the rate that at a CPU can do its simplest operation per second.
Gigahertz does not precisely tell you how quickly a CPU gets work done, but it is roughly correlated. Higher gigahertz CPUs also tend to be more expensive to produce and they use more power and as a result give off more heat - a challenge for putting fast CPUs in small devices like phones. The ARM company is famous for producing chips that are very productive with minimal power and heat.
Basic plan: before adding measures X and Y, convert them to be in the same units. Bob has MB of data. Will it all fit on Alice's 4 GB thumb drive? So considering that, a gigabyte can be composed of megabytes megabytes.
Basically, a kilobyte has bytes, a megabyte has kilobytes, and a gigabyte has megabytes. In usual mathematics, each step is multiplied by or When this was established, storage was measured in kilobytes; it was therefore determined that the excess 24 bytes is too little and can be easily disregarded to simplify things.
But as you can see, it easily compounds as you move up the scale. Many hard drive manufacturers take advantage of this discrepancy in marketing their products. But when you look at the drive in your computer, a few gigabytes would mysteriously disappear. Some think that it is because the operating or file system takes up all that space, but that is untrue. When you divide ,,, with the 1,,, bytes that composes a gigabyte, you get an actual capacity of
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