高階ICT-MULT-015

A clip has 10 frames. Each frame is an uncompressed bitmap of 100 by 50 pixels with 8-bit colour. Ignoring sound, the video data size is:

A. 500 bytes.
B. 40 000 bytes.
C. 10 bytes.
D. 50 000 bytes.✓ 答案

解說

One frame is 100 × 50 × 8 = 40 000 bits = 5 000 bytes. Ten frames are 50 000 bytes. 40 000 is the bit count of one frame, not the byte count of the clip.

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