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計概，傳送速率的計算(bps)

Mar 17th 2015, 05:46

題目是，高畫質電視每秒傳送30張圖，每張圖為1920x1080像素(pixels)，全彩圖象(24bit/pixel)，試問電視台傳送高畫質節目需要"至少"大約多快的速率?

(A) 186.62 Mbps (B)18.67Mbps (C) 1.49Gbps (D)14.93 Gbps
答案是 c

我的算法
1920 x1080 x3(byte) x30張 = 186624000 byte
除1000, 換算kb，在除1000換算成Mb
得到答案是
186.624 Mbps,和選項C答案不一樣，我觀念哪裡錯了?

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