
Audio Visual - B & W Image & Data Representation
Presentation
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Computers
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8th Grade
•
Medium
Ayomikun J Sodipe
Used 6+ times
FREE Resource
33 Slides • 12 Questions
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Multiple Choice
What is Binary?
A system that uses 10 digits
A system that uses 2 digits
A system that uses 8 digits
A system that uses 16 digits
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Multiple Choice
What is Denary?
A system that uses 2 digits
A system that uses 8 digits
A system that uses 16 digits
A system that uses 10 digits
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Multiple Choice
What are the Binary Digits 0 and 1 called?
Units
Bytes
Bits
Nibbles
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Multiple Choice
What is meant by Data Representation?
How data is organized and represented in a way that computers can understand and process.
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Multiple Choice
What is a pixel?
A type of computer memory
The smallest unit of a digital image (tiny square)
A programming function
A colour format
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Multiple Choice
How are colours stored in a computer?
Using numbers and letters
As shades of grey only
In a hexadecimal format
Using pixels and numeric codes
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Multiple Choice
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Multiple Choice
How many colours are used to create this image?
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Multiple Choice
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Resolution refers to the number of pixels in an image, often described as width × height (e.g., 1920 × 1080).
Higher resolution means more detail, but it also increases the file size since more pixels need to be stored.
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File Size (in bits) = Width (in pixels) × Height (in pixels)× Colour Depth (in bits)
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Fill in the Blanks
If the basic unit of matter is an atom,
then the basic unit of a digital image is a
Type answer...
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Multiple Choice
How many unique colours are used in this image?
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Multiple Choice
This grid has 21 columns and 18 rows.
How many pixels are used to represent the image?
480
378
256
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GO TO TEAMS CLASS NOTE BOOK
COMPLETE ACTIVITY 1, 2, & 3.
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