ITPEC FE Morning April 2023 Question 23

Enlarging characters by a scale factor — outline fonts describe each character as curves, so they scale to any size without jagged edges.

An outline (vector) font stores each character's contour as lines and curves. To draw it at a given size the renderer scales the contour and fills it, so any magnification stays smooth. A bitmap font stores each character as a fixed grid of dots for one size; enlarging it only magnifies the dots, and the edges turn blocky.

Answer (d)

Why not others:

• •(a) — bitmap fonts are the faster ones: their dots are copied straight to the screen, while an outline must be scaled and rasterised first.
• •(b) — monospacing is a property of the typeface's character widths; bitmap and outline fonts can both be monospace.
• •(c) — showing single-byte and double-byte characters together depends on the character encoding and the font's character set, not on how the glyph shapes are stored.

Key rule: Bitmap means fixed size and fast drawing; outline (vector) means scalable to any size at the cost of rendering work. The same trade-off separates raster and vector graphics.

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