Screen size is measured _______ across the monitor.

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Prepare for the T01 Computer Concepts Test with flashcards and multiple choice questions. Each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

Screen size is measured _______ across the monitor.

Explanation:
Screen size is measured diagonally across the display area. This standard comes from geometry: the diagonal is the longest straight-line distance across a rectangle, so it gives a single, comparable measure of how large the image appears, regardless of the screen’s width and height (its aspect ratio). That’s why a monitor’s size, like 24 inches, refers to the distance from one corner of the screen to the opposite corner. If you know the width and height, the diagonal can be found with the Pythagorean theorem: diagonal = sqrt(width^2 + height^2). Horizontal or vertical measurements only give width or height, not the overall size.

Screen size is measured diagonally across the display area. This standard comes from geometry: the diagonal is the longest straight-line distance across a rectangle, so it gives a single, comparable measure of how large the image appears, regardless of the screen’s width and height (its aspect ratio). That’s why a monitor’s size, like 24 inches, refers to the distance from one corner of the screen to the opposite corner. If you know the width and height, the diagonal can be found with the Pythagorean theorem: diagonal = sqrt(width^2 + height^2). Horizontal or vertical measurements only give width or height, not the overall size.

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