中等ICT-DATA-007
A school logo must be enlarged on a banner without looking blocky. Which statement is correct?
A. A bitmap stays perfectly sharp at any size.
B. A vector graphic becomes pixelated when it is enlarged.
C. A bitmap may look blocky when enlarged; a vector graphic stays sharp.✓ 答案
D. Neither bitmaps nor vector graphics can be printed.
解說
A bitmap is a grid of pixels, so enlargement shows the blocks. A vector graphic stores shapes, so it scales cleanly.