Bandwidth



  • The amount of data that can pass through an interface over time



  • Bandwidth describes the maximum data transfer rate of a network or Internet connection. It measures how much data can be sent over a specific connection in a given amount of time. For example, a gigabit Ethernet connection has a bandwidth of 1,000 Mbps, (125 megabytes per second). An Internet connection via cable modem may provide 25 Mbps of bandwidth.

    While bandwidth is used to describe network speeds, it does not measure how fast bits of data move from one location to another. Since data packets travel over electronic or fiber optic cables, the speed of each bit transferred is negligible. Instead, bandwidth measures how much data can flow through a specific connection at one time.

    When visualizing bandwidth, it may help to think of a network connection as a tube and each bit of data as a grain of sand. If you pour a large amount of sand into a skinny tube, it will take a long time for the sand to flow through it. If you pour the same amount of sand through a wide tube, the sand will finish flowing through the tube much faster. Similarly, a download will finish much faster when you have a high-bandwidth connection rather than a low-bandwidth connection.

    Data often flows over multiple network connections, which means the connection with the smallest bandwidth acts as a bottleneck. Generally, the Internet backbone and connections between servers have the most bandwidth, so they rarely serve as bottlenecks. Instead, the most common Internet bottleneck is your connection to your ISP.

    NOTE: Bandwidth also refers to a range of frequencies used to transmit a signal. This type of bandwidth is measured in hertz and is often referenced in signal processing applications.

    High-Bandwidth Fiber Optic Cable



  • The measure of the size of the hole in you computer that has information shoved through from the internet.
    The larger the bandwidth, the more stuff you can get at one time.



  • In electronics and signalling terms it is the difference between the highest frequency component in a signal and the lowest frequency component. So called because it is the same as the width when viewed in the frequency domain or as a fourier transform.

    In computing it is the throughput (transmission rate) in bits per second of a connection.



  • Something business people say to describe the resources needed to complete a task or project.



  • The difference between the highest and lowest frequencies of a transmission channel (the width of its allocated band of frequencies). The term is often used erroneously to mean {data rate} or capacity - the amount of {data} that is, or can be, sent through a given communications circuit per second.



  • The width, in [Hertz], of the pass-band of any equipment that can process information. Most computer data transfer works at base-band (unlike radio transmitters, which usually operate on some higher wave band) so the bandwidth is usually equal to its [baud] rate.



  • The speed at which a person can comprehend. A measure of mental agility.



  • A measure of how fat a band is. The greater the fatness, the greater the bandwidth.



  • Referring to the size of ones pant size.



  • ability (or lack of ability) to complete work given the available resources (people, time, money, etc.)


 

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