What is bandwidth

Source: Internet
Author: User

Bandwidth (band width), also known as frequency width, refers to the amount of data that can be transmitted at a fixed time, i.e. the ability to transmit data in a transmission pipeline. In digital devices, the bandwidth is usually expressed in bps, that is, the number of bits per second that can be transmitted. In analog devices, the bandwidth is usually expressed as a delivery cycle per second or hertz (Hz).

"Bandwidth" has the following two different meanings in your computer:

Indicates band width

The bandwidth of the signal refers to the frequency range of the various frequency components that the signal contains. Bandwidth is especially important for basic output system (BIOS) devices, such as fast disk drives that can be hampered by a low bandwidth bus.

Represents the ability of a communication line to transmit data

The "highest data rate" that can be passed from one point in a network to another in a unit of time. For the concept of bandwidth, a comparison of the image of an analogy is the freeway. The amount of data that can be transmitted on the line in a unit of time, the common unit is bps (bit per second). The bandwidth of a computer network is the highest rate of data that can be passed through, that is, how many bits per second.

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