5. Binary and pixels
Presentation
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Computers
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8th Grade
•
Practice Problem
•
Medium
Ala Jaber
Used 19+ times
FREE Resource
5 Slides • 13 Questions
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2
3
Multiple Choice
What is the purpose of binary in representing pixels?
To create graphics
To store text
To enhance audio
To improve video quality
4
Multiple Choice
Which of the following best describes bitmapped graphics?
They are composed of paths defined by mathematical expressions.
They are composed of a grid of individual pixels.
They are always vector-based.
They cannot display colours.
5
Multiple Choice
What is the binary representation of a pixel in a black and white bitmap image?
1 (black)
0 (white)
1 (white)
0 (black)
6
Multiple Choice
To store an image on a computer, the image is broken down into tiny elements called _______________.
pixels
picture boxes
squares
7
Multiple Select
Sam is creating a program to calculate and display the total cost of laying new flooring.
Sam takes pictures of floor layouts using a tablet device.
The images are stored as bit-mapped images.
Choose two correct statements about how a bit-mapped image would be stored.
Images are represented by pixels
Each pixel has a binary value representing its colour
Images are represented by objects with attributes
Images usually take up a small amount of storage space
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9
Multiple Choice
What is a binary word?
A collection of 1s and 0s
A type of font
A computer program
A graphic design technique
10
Multiple Choice
What is a bitmap image?
An image made up of text
An image made up of pixels
An image made up of shapes
An image made up of numbers
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12
Multiple Choice
What does the binary sequence 100000011100011101010110100001100001 represent in the context of the image?
A character
A color
A shape
A number
13
Multiple Choice
What is the binary representation of the decimal number 255?
11111110
11111111
11111101
11111100
14
Multiple Choice
What is the decimal equivalent of the binary number 00001101?
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16
Multiple Choice
What does the binary sequence represent in the context of the image?
A character
A color
A sound
A shape
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Drag and Drop
18
Poll
How confident do you feel about this topic now?
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