Data Transmission Rate Definition

The data transmission rate is an average of the number of bits, characters or blocks that are transferred between two devices, for a unit of time, usually seconds.

Other names: data transfer rate, transfer rate, transfer rate data.

In other words, it is the amount of digital data that is moved from one place to another in a given time.In general, the larger the bandwidth of a particular channel or path, the higher the speed of data transmission.

The unit of time may be in milliseconds in certain cases, such as when data transfer speeds are measured in the microprocessor or RAM memory.

Data transmission speed in telecommunications

In telecommunications, the data transmission rate is usually measured in bits per second and its multiples.For example, a low speed internet connection can be of 33.6 kilobits per second (kbps).In an area network local, the transfer rate can be 100 megabits per second (mbps).

This means that 33600 bits are transferred in a second and 100 million bits in a second, respectively.

In older telecommunications systems, the transfer rate was sometimes measured in characters or blocks (of a certain size) per second.

For more information read: bits per second.

Data transmission speed in computer files

In computers, data transfer is usually measured in bytes per second and its multiples, for example, the transmission speed of a file on a hard drive to another hard disk can be 10 megabytes per second (MB/sec).

This last example means that 10,485,760 bytes (characters) are transferred per second.

Also the speed Downloading or uploading files to a network (such as the Internet) can be measured in bytes.

On what the speed of data transmission depends

Speed Ad of data transmission in any connection depends on multiple factors such as the type of physical connection, the limits in the caches, negotiated speed between the devices, controlled speed limitation, interference or noise in the physical connection, etc.

The speed of data transmission over a channel may be higher to one side than to the other, as is the case in ADSL internet access (data download speed is higher than upload speed of data).

Most used units for data transmission

The most common units for measuring data transmission speed are:

-bits per second (bps, kbps, mbps...)

-in bytes: bytes per second or KB/s, MB/s...

• Data transfer

• Performance of a network

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