Remember DPI
Full name: Dots Per Inch
Memory aid: Dots printed in an Inch.
OS scaling may use DPI terminology without changing physical pixel density.
Study area: Screens & image formats · Batch 1
Relevant study for: CompTIA A+ Core 1 220-1201
Practice with exam flashcards →Hardware & Components / Knowledge library
DPI — Dots Per Inch
Measures dot density in printing or a related device setting.
Why learn DPI — Dots Per Inch?
Measures dot density in printing or a related device setting.
Where it came from
OS scaling may use DPI terminology without changing physical pixel density.
- Memory aid (a learning cue, not the expansion): Dots printed in an Inch.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand DPI: Dots Per Inch.
- Recall this memory aid: Dots printed in an Inch.
- Explain the practical use: Measures dot density in printing or a related device setting.
- Explain this distinction: OS scaling may use DPI terminology without changing physical pixel density.
- Identify DPI in a device specification, architecture diagram, or system inventory.
Documentation and sources
- Samsung LCD backlighting and OLED pixels (global.samsungdisplay.com)
- VESA standards (vesa.org)