Jumat, 10 Februari 2012

Differences KBps and kbps

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IMPORTANT! IMPORTANT! Know this is where a lot of false perceptions! Actually between KBps and Kbps is different, indeed in much the same pronunciation.

Basically KBps and Kbps is a very different units. clay had the ISP's advertising campaign (Speedot, IM *, or Tel * Flash cell) that offers speed inet start up to 128 Kbps - 7.2 Mbps? But why do not fit real donlot prnah get much for ya? why GTU?

The following detailed explanation:
* KBps (Kilobyte per second)
* Kbps (Kilobit per second)
Konversi 1 byte = 8 bit

To find out the speed download Real side, gampangkan, who live divided aja d love ISP speed with the number 8 (Eight)

The following list is:
128 Kbps: 128/8= 16 KBps
256 Kbps: 256/8= 32KBps
384 Kbps: 384/8= 48 KBps
512 Kbps: 512/8= 64 KBps
1 Mbps : 1024/8= 128 KBps
This often raises the question of "why he said failure by the 256 kbps download cuman 32 KBps? If translated,

If 1 Byte = 8 bits does it mean when a subscription of 1 Mbps Dedicated and failure by the 128 KBps x 8 = 1024 Kbps / 1 Mbps
If the speed is 256 kbps then obtained is 256/8 = 32 KBps
If the speed is 384 kbps then obtained is 256/8 = 48 KBps

may be useful

byte-bit
Remember first fitting in college, if ga wrong time course file system. At that time, wereWhat is the difference bit by byte? His name is also mashiswa cupu, wrote in the blank: D. Until now, two terms that sometimes we hear, especially in terms of internet connection / speed / bandwidth etc..

Often people talk "internetku speed 384kbps but ko only 30-40kbps download it?"Actually both terms what the heck? When I took it from wikipedia,

  •         bytes (English: byte) is a term commonly used as a unit of data storage in computers. One byte consists of eight bits.
  •         The letter B is used in the short to byte. (B bits using the abbreviation.) As kB = kilobytes. Hard disk (hard disk) with a capacity of 40GB hard disk as easily mean that is capable of storing up to 40 thousand million (billion) bytes, or gigabytes of data.

So with a bit Byte is different. Usually internet speed at 384kbps, means to speed the Byte is 384/8 = 48 Kbps in a second meaning, it can deliver data at 48 kilo bytes.Byte and bit an example calculationSuppose you have a file consisting of 100,000 words and you want to know how long we can download these files via the internet which has a 33,600 bps connection.Assume in each word consists of 5 letters / characters. Means if there are 100,000 words, then you have 500,000 letters / characters:Each character consists of 1 byte, then you have 500,000 ByteEach byte consists of 8 bits, meaning that 500,000 Bytes you have is worth 500,000 x 8 = 4,000,000 bitsFurthermore you have 4,000,000 bits divided by 33,600 = 119 secondsThis means your time to download a file which has 100,000 words or less 119 seconds (2 minutes) with access speed of 33,600 bpsIn computer networks, normally Byte and bit used to describe the speed of transfer / download data.Unit KBps (kilobyte / second) if the data used here are generally used Byte for the unit (eg such as the protocols that exist at the application level such as http, ftp, smtp, etc.).While kbps (kilobits / second) is used when data is transferred using bits for the unit (eg a layer 2 protocols such as ethernet down the transfer of data in the frames).That's why the speed of a modem written = 33.6 kb / s (because the modem is included in the layer 2 protocols such as ethernet), whereas when we download a file, the browser will show (eg) 3 KB / s (because the browser is connected with http protocol / ftp).Why is 1 Byte = 8 bits?There are two stories. First, when it was time punch card (hole card). Second, when the first time the emergence of technology-based 8-bit processor.First story. Last punch card technology is able to handle characters by 64 characters where each character is encoded in the order of 8 combinations of holes. IBM, as the producer of punch card machines, they will be called the combination of 8 holes with a 'byte' is said to convey the 'octet'. Even so, the combination is not in ASCII format because it is true there has been no standardization of ASCII.The second story, continued from the first story. Punch card technology was later developed into a processor technology that it was only able to work in a combination of eight binary digits. Then adopted a combination of 8 hole punch card into the binary digits of the 8 'strengthen' the term 'byte'.Thus, finally 'byte' is then used as the unit of 8 binary digits. So that although the processor technology developed to be able to work in a 16-digit, still referred to as 2 bytes.Then, simply add the information. There are two types, namely singlecode character and unicode character. Limitations which only recognizes standard ASCII character number 256 is no longer sufficient for the development of an increasingly global. At first, this is overcome by developing a character encoding, which maps to 256 characters for a certain wilayah2. For example, in Asia the 60th character is 'A', but in Europe the 60th character is 'Ã €'. But this is a problem when writing of Europe (the European encoding) would be read in Asia (Asia encoding) because writing was a mess. Therefore developed a new standard called Unicode character in which one character is no longer represented by 1 byte, 2 bytes instead.

Source         : www.binushacker.net/perbedaan-kbps-dan-kbps.html
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