Lesson 7 of 9
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Lesson details
Key learning points
- In this lesson, we will learn how bitmap images are represented in binary. We will learn about resolution, bit depth and how to calculate the file size of a bitmap image.
Licence
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3 Questions
Q1.Which of these is the most accurate description of a pixel?
Which of these is the most accurate description of a pixel?
A square represented by 2 bits
The file size of an image
The resolution of an image
Q2.What is the minimum number of bits required for an image that has 16 colours?
What is the minimum number of bits required for an image that has 16 colours?
3
5
6
Q3.A bitmap image has a colour depth of 2 and a resolution of 8 x 8. Calculate the file size of the image.
A bitmap image has a colour depth of 2 and a resolution of 8 x 8. Calculate the file size of the image.
256
512
64