
6. Color depth and binary representation
Presentation
•
Computers
•
8th Grade
•
Practice Problem
•
Medium
Ala Jaber
Used 12+ times
FREE Resource
4 Slides • 13 Questions
1
2
3
Multiple Choice
What are the basic colours that make up a pixel?
Red, Orange, Yellow
Red, Blue, Green
Yellow, Orange, Purple
Red, Blue, Purple
4
Labelling
Drag each label to the correct reference on the image.
nibble
byte
bit
binary
5
Multiple Choice
What is the purpose of colour depth in digital images?
To determine the resolution of an image
To define the number of colors in an image
To enhance image brightness
To compress image size
6
Multiple Select
A 9-hole golf course is introducing an app to replace paper scorecards. The total
score is the number of times the player hits the ball to complete all 9 holes.
The app uses the shown bit-mapped graphic.
Choose two statements about how a bit-mapped graphic is represented in a computer system’s
memory.(Choose two)
stores data about each pixel
stores binary representing RGB colour value
stores data about each object
stores lists of attributes and values
stores number of pixels in image
7
Multiple Choice
What is the maximum number of possible colours represented by 8 bits per pixel?
128
64
256
32
8
Multiple Choice
What determines the maximum number of colors that can be displayed in a bitmap image?
The file format (e.g., JPEG, PNG)
The size of the image file
The color depth of the image
The resolution of the image
9
Multiple Choice
What does "colour depth" in a bitmap image indicate?
The number of pixels in the image
The number of bits used to represent each colour
The physical size of the image
The type of compression used
10
11
Multiple Choice
What are the binary representations for the colours in a 2-bit graphic?
White, Light grey, Dark grey, Black
Red, Green, Blue, Yellow
Cyan, Magenta, Yellow, Black
Pink, Orange, Purple, Brown
12
Multiple Choice
What does image resolution refer to?
The number of pixels per inch (PPI) in an image
The file size of the image
The dimensions of the image in centimeters
The color depth of the image
13
Multiple Choice
What happens to a bitmap image when it is scaled up significantly?
It becomes sharper
It loses quality and becomes pixelated
Its file size decreases
It automatically converts to a vector image
14
15
Multiple Choice
What is the difference in color display capabilities between the original Nintendo Gameboy and modern devices?
The Gameboy can display 4 colors, while modern devices can display 16,777,216 colors.
The Gameboy can display 16,777,216 colors, while modern devices can display 4 colors.
Both can display the same number of colors.
The Gameboy has no color display capabilities.
16
Multiple Choice
Colour depth is the number of binary digits (bits) required to store the colours in an image. Each colour has a unique binary value.
What is the colour depth of this image
2 colours
4 colours
64 colours
3 colours
17
Poll
How confident do you feel about this topic now?
Show answer
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