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Exam (elaborations)
CAT Grade 10 Module 1.7 & 1.8
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---3November 20242024/2025A+
- Barcodes - answer-Machine readable codes affixed to goods. Scanners scan the code and give meaning to the sets of lines. 
 
Biometric security - answer-Technology that measures/scans something biologically unique to each person for the purposes of identification. 
 
Blu-ray - answer-An optical disc format designed to enable recording, rewriting and playback of high-definition video, as well as storing large amounts of data. 
 
CPU - answer-The part of the computer that processes all data and car...
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