Digital & Data

帯域幅(バンド幅)

定義

通信チャネルの最大データ転送能力で、通常はビット毎秒(bps、Mbps、Gbps)で測定される。

解説

Bandwidth represents the theoretical ceiling, not the actual speed achieved in practice. A fiber link may have 1 Gbps bandwidth but deliver less throughput due to protocol overhead and network congestion. The term originates from radio engineering, where it described the range of frequencies a channel could carry. Consumer broadband plans typically offer 100 Mbps to 1 Gbps downstream bandwidth.

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