5 Questions
What is the primary function of a barcode scanner?
To read and decode barcodes
How are dark areas represented in a barcode?
Parallel lines
Which type of light source is commonly used to read barcodes?
Red laser
How does a barcode scanner work with reflected light?
It reads the pattern of reflected light
What is the binary equivalent of the digit '3' on the left side of a barcode?
0111101
Test your knowledge of computer science with this multiple-choice quiz. Covering essential topics, including the primary function of a barcode scanner, this quiz is designed for Grade VII students. Get ready to challenge yourself and improve your understanding of computer science concepts.
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