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Digital Art

Art Education

Useful for: OSSC Art Education Instructor

Overview

Digital art uses software and devices to create images; understanding raster and vector graphics, resolution and colour modes is essential.

Key points

  • Raster images are made of pixels; vector images use mathematical paths and scale without losing quality.
  • Resolution is measured in pixels or dots per inch.
  • Screens use RGB; printing uses CMYK.
  • Layers allow non-destructive editing.
  • File formats: JPEG and PNG (raster), SVG (vector).
  • AI-generated images raise questions of authorship and copyright.

Explanation

  • Free software makes digital art accessible.
  • Drawing tablets mimic pen pressure.
  • Digital and traditional skills complement each other.
  • Save versions to avoid loss.
  • Screen time should be balanced.

Step by step

  1. Identify the art concept, medium or movement asked.
  2. Recall the definition, artist, period or technique.
  3. Choose the option that matches the visual or pedagogical principle.

Examples

  • A logo that scales cleanly → vector.
  • A photograph → raster.
  • Converting to CMYK before printing → colour mode.

Traps and advanced points

  • Trap: Mixing raster and vector.
  • Trap: Printing in RGB without checking.
  • Trap: Ignoring authorship issues.

Quick revision

  • Raster vs vector.
  • RGB screen; CMYK print.
  • Layers.

Practice MCQs

  1. Images made of pixels, which lose quality when enlarged, are

    1. vector images
    2. raster images
    3. 3D models only
    4. animations only

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    Show answer

    Answer: (b) raster images. Vector images use paths and scale without loss.

  2. The colour mode used for images shown on screens is

    1. CMYK
    2. RGB
    3. Pantone only
    4. greyscale only

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    Show answer

    Answer: (b) RGB. CMYK is used for printing.

  3. The usual resolution recommended for good-quality printing of images is about

    1. 30 dpi
    2. 300 dpi
    3. 72 dpi
    4. 3,000 dpi

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    Show answer

    Answer: (b) 300 dpi. 72 ppi is common for screens.

  4. Which image format supports transparency and lossless compression?

    1. TXT
    2. JPEG
    3. BMP only
    4. PNG

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    Answer: (d) PNG. JPEG uses lossy compression and has no transparency.

  5. Images made from mathematical paths that can be enlarged without losing quality are

    1. pixels
    2. raster images
    3. bitmaps
    4. vector images

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    Show answer

    Answer: (d) vector images. Logos are usually made as vectors.

  6. Working on separate transparent levels in digital art software is called using

    1. layers
    2. filters only
    3. pixels
    4. brushes only

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    Show answer

    Answer: (a) layers. Layers allow editing parts independently.

More topics in this chapter

Notes and questions are written by Kundali IQ for practice. They are not official papers; always check the latest official notification for the syllabus and pattern.