Quiz

Quiz: Images as Pixels - Representing Pictures in Binary

OCR GCSE J277 Computer Science specification

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KieraCreated by Kiera
10 Steps8 Questions

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Steps in this lesson (10)

1
Text

Building on what you've learned about binary and file sizes, let's test your knowledge of how images are represented using pixels and binary!

2
Multiple ChoiceInteractive

What is a pixel?

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3
Multi-SelectInteractive

Which of the following affect the quality and size of an image? (Select all that apply)

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4
Fill in the BlankInteractive

The {{blank0}} depth determines the number of colours available for each pixel in an image.

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5
MatchingInteractive

Match the items on the left with their correct pairs on the right

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6
Math EquationInteractive

Match the items on the left with their correct pairs on the right

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7
Multiple ChoiceInteractive

What is metadata in the context of an image?

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8
Code CompletionInteractive

Match the items on the left with their correct pairs on the right

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9
typedAnswer

Match the items on the left with their correct pairs on the right

10
Multiple ChoiceInteractive

How many pixels are in an image with a resolution of 200 × 150?

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