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SEC2 Image Compression and Resolution Quiz

Authored by Priscilla Madiona

Science

10th Grade

Used 2+ times

SEC2 Image Compression and Resolution Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compression is used in .jpeg images?

Lossless compression

Lossy compression

No compression

Variable compression

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does RGB colour space mean?

Red, Green, Blue

Randomly Generated Bits

Realistic Graphics Bitmap

Rapid Global Broadcasting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many colours can each pixel represent in this .jpeg image?

16 colours

64 colours

256 colours

1024 colours

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of lossy compression in .jpeg images?

To increase file size

To reduce image quality

To preserve all image data

To improve image resolution

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the image data and quality in lossy compression?

They are preserved

They are lost

They are enhanced

They are randomized

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum number of colours that can be represented in an 8-bit colour depth?

16 colours

64 colours

256 colours

1024 colours

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of compression in image files?

To increase file size

To reduce image quality

To preserve all image data

To improve image resolution

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