Computer Science Image Quiz
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Huyen Nguyen
FREE Resource
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following file-formats has poor image quality when enlarged?
JPEG
Adobe Portable Document Format (PDF)
Scalable Vector Graphics (SVG)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are vector images?
Images that use coordinates and geometrical shapes to define an image.
Images that use organised grid of coloured squares.
Images that are black-and-white.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are images displayed?
As a matrix of 0’s and 1’s
As a grid of pixels
As a matrix of binary values
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is colour depth?
The number of bits used to indicate an image.
The intensity of colour at each pixel.
The number of bits used to indicate a pixel.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different colours does a n-bit system represents?
2×n different colours
2^n different colours
n^2 different colours
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between these two images?
Colour depth
Resolution
Number of pixels
Height and width of image
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between these two images?
Resolution
Colour depth
Height and width of image
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