When the network speed is 10 MB, is it a bit or a byte? -How fast is the 10 M bandwidth? What is the difference between 1 M Disk and 1 m disk?

Source: Internet
Author: User
Bandwidth, transmission speed, two bytes, killing people, always confused which is bit, which is byte, the network speed is 10 m, M indicates bit or byte
Article Article Record that Mbps is actually a bandwidth unit, not a speed unit. In Mbps, "B" refers to "bit )". The actual speed unit is MB/s, where "B" refers to "Byte (bytes )". Because data is transmitted by byte, not by bit. Because the two big and lowercase "B" and "B" are different, the two units are not only not the same, but also far different. Of course, there is also a large correlation between them, that is, 1 Mb/s = 8 Mbps. It can be understood that the port bandwidth is the theoretical maximum transmission speed of the port, the actual speed is much smaller than the bandwidth value (usually 60 ~ Between 80% ). As we often call 56k dialing, m lan is measured in BPS. When used in software, download tools are generally computed in BPS, so there is a conversion relationship between them with 8-bit = 1 byte. The maximum download speed is 56 kbps/8 = 7 kbps, that is, 7 kb of Data downloaded per second.

1 bit/bit: The smallest unit in the memory. A 0 or 1 in the binary sequence is a specific bit,Supesite/X-space official site \ u0005d5w \ u0008f \ u0007r, L # S * Y \ u0001p B
② 1 byte = 8bit ).Supesite/X-space official site \ u0014b ^-{\ u001dy % m9v6k \ u0012z \ u001bq
③ 1kb = 1024 bytes)
8y; U \ u000e |\# C2D \ u0011q0④ 1 MB = 1024kb.Supesite/X-space official site * {\ u001ey # L * l4v \ u0013a \ u0011 ~ \ U0014o
⑤ 1 GB = 1024 MB.
8l:] \ u0012n e \ u001cc $ p5z "O \ u001b? 06 TB, bytes byte: 1 TB = 1024 GB.Supesite/X-space official site \ u0014z \ u000er {+ ^ p1y
1 bit = a binary bit, only 0 and 1Supesite/X-space official site \ u001ar \ u0007g \ u0017h (k \ u0017 \ 3n
1 byte = 8 bits
1t. c \ u0007q \ u0013b K7T-G01 K Bytes = 1024 bytes (byte in English)
, W (p9b \ u0018c \ u000eq \ u0005 @ _ \ u0002 ^ 01 MB bytes = KB

Supesite/X-space official site \ u0013e9t %] I \ u0018 }! Z \ u0006x Z \ u0014i \ u0011d
BPS: bit/second. BPS is usually used for serial bus devices, such as serial ports, USB ports, and Ethernet buses.
Q * Y (U. Z) I \ u0005z, X \ u001a \ + G n s5w & P0BPS: Bytes/second. Generally, BPS is used for parallel bus devices, such as parallel ports and IDE hard disks.


\ U0001 @ \ u000fp \ u0003q \ u0002y \ u001dl9w \ u0005u ^ 0In network technology, 10 M bandwidth refers to bitwise computing, that is, 10 M bit/second. The download speed is measured in bytes, therefore, the fastest theoretical download speed for converting 10 Mbps of bandwidth into bytes is 1.25 Mbps!

In the computer/communication industry, the speed of data transmission is also measured in decimal.

In data storage capacity calculation, binary is generally used. 1 MB = 1024 K = 1024 * 1024b.

According to the hexadecimal rule, the transfer speed can be expressed in BPS and BPS, but they are strictly different. In BPSSupesite/X-space official site \ u000f]; S v \ u0007r ('\ u0011l + x
B uses byte bytes in the binary system, and B in BPS is the bitwise element in the decimal system. As we often call 56k dialing, m lan is measured in BPS. When used in software, download tools are generally computed in BPS, so there is a conversion relationship between them with 8-bit = 1 byte. The maximum download speed is 56 kbps/8 = 7 kbps, that is, 7 kb of Data downloaded per second.

In the operating system, the disk capacity is 1024 in hexadecimal format between GB, MB, and kb. Hard Disk manufacturers usually calculate the disk capacity based on 1 GB = 1000 MB and 1 MB = kb.

What is 1 mbps bandwidth? What is the difference between 1 M Disk and 1 m disk?

1 mbps bandwidth, which is kb, that is, 16 64 KB
The disk is 1 MB and bytes.
(1 m = 1024 K = 1024*1024 byte = 1024*1024 * 8bit)

Because the network transmission is first based on bit processing, it is still measured in bit, which is generally expressed in NN kb/s or NNMB/s, for example, the theoretical maximum transmission speed of the modem in V.90 is 6kb/s,
The disk is transmitted in parallel, which is first transmitted in bytes. Therefore, it is still measured in bytes, which is generally expressed in NNMB/s, for example, ultra SCSI is a 40 Mbit/s transmission speed.
One is bit, and the other is byte!

================== Haha ==============

Bit: "bit" is the smallest data unit in an electronic computer. The status of each digit can only be 0 or 1.

Byte: eight binary digits constitute one "Byte", which is the basic unit of measurement for the storage space. One byte can store 1 English letter or half a Chinese character. In other words, one Chinese Character occupies 2 bytes of storage space.
KB: In the general unit of measurement, K indicates 1000. For example: 1Km = 1000 meters, often written as 1 km; 1 kg = 1000 grams, written as 1 kg. Similarly, K has a similar meaning in binary. In this case, K indicates 1024, that is, the 10th power of 2. 1 kb indicates 1 K bytes, that is, 1024 bytes. MB: m (MB) in the unit of measurement is the 6th power of 10. When M is seen, it is naturally remembered that the next six zeros should be placed behind the value, that is, the increase is 1 million times. In binary, MB also indicates the order of millions, but 1 MB is not exactly equal to 1000000 bytes, but 1048576 bytes, that is, 1 MB = 2E + 20 bytes = 1048576 bytes.
In the standard 10-in-10 metric system, the rate relationship is as follows:

Kilo (k) * = 10 ^ 3 = 1,000 thousand
Mega (m) = 10 ^ 6 = 1,000,000 million
Giga (G) = 10 ^ 9 = 1,000,000,000 billion
Round (t) = 10 ^ 12 = 1,000,000,000,000 trillion
* In the metric system, the "K" or "kilo" prefix only uses lowercase letters.

In the computer/communication industry, data transmission speeds are also calculated using the amount of metric data transferred per second.

1 bit (B) = 0 or 1 = one binary digit a binary element
1 kilobit (Kb) = 10 ^ 3 bits = 1,000 bits one thousand bits
1 megabit (MB) = 10 ^ 6 bits = 1,000,000 bits 1 million bits
1 gigabit (GB) = 10 ^ 9 bits = 1,000,000,000 bits 1 trillion bits
According to the hexadecimal rule, the transfer speed can be expressed in BPS and BPS, but they are strictly different. B In BPS uses byte bytes in the binary system, and B in BPS is the bit element in the decimal system.

In what we often call 56 K dialing, m lan is measured in BPS. When used for software download, the download tool is generally calculated in bps, therefore, there is an 8-bit = 1 byte Conversion Relationship between them. Therefore, the maximum download speed for 56 kbps is 56 kbps/8 = 7 kbps.

In data storage and capacity computing, the calculation is generally based on the metric-based and binary data calculation methods.
(Binary)

1 byte (B) = 8 bits (B) bytes = 8 binary digits
1 kilobyte (K/kb) = 2 ^ 10 bytes = 1,024 bytes kilobytes
1 megabyte (M/MB) = 2 ^ 20 bytes = 1,048,576 bytes MB
1 gigabyte (G/GB) = 2 ^ 30 bytes = 1,073,741,824 bytes Gigabit bytes
1 terabyte (T/TB) = 2 ^ 40 bytes = 1,099,511,627,776 bytes Kyrgyzstan
Some storage manufacturers, especially hard drive manufacturers, are more closely integrated with decimal computing. This is why the operating system shows some differences between the capacity and the capacity marked by the manufacturer.
(Decimal)

1 byte (B) = 8 bits (B)
1 kilobyte (K/kb) = 10 ^ 3 bytes = 1,000 bytes
1 megabyte (M/MB) = 10 ^ 6 bytes = 1,000,000 bytes
1 gigabyte (G/GB) = 10 ^ 9 bytes = 1,000,000,000 bytes
1 terabyte (T/TB) = 10 ^ 12 bytes = 1,000,000,000,000 bytes

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