
Understanding Image Representation in Computer Systems
Authored by Michael Porter
Computers
9th - 12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main methods of storing images in a computer system?
Bitmap and Raster
Vector and Raster
Bitmap and Vector
Pixel and Vector
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using vector images over bitmap images?
Better for photographs
Smaller file size for technical drawings
Easier to store in binary
More colors available
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a bitmap image, what is each colored square called?
Pixel
Coordinate
Bit
Vector
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the binary value for a black pixel in a simple black and white bitmap image?
0
10
1
11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional data is needed to reconstruct a bitmap image from raw binary data?
Metadata
Resolution
File size
Color palette
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does metadata in a bitmap image include?
Width, height, color depth, and color palette
File size, resolution, and color depth
Width, height, and file size
Resolution, color depth, and file size
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many colors can be represented with 2-bit color depth?
8
16
4
2
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