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Optical storage and its properties
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Total cards: 5•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
How is each 1 and 0 represented in optical storage?
Back (Answer)
1 is represented as a hole (pit) and 0 is represented as a flat surface (land).
#2
Front (Question)
How is data read on optical storage?
Back (Answer)
A laser is shone on the surface. • If it hits land then it will hit a sensor • If it hits pit then it will reflect elsewhere • Used to represent 1 and 0.
#3
Front (Question)
What is optical media used to deliver.
Back (Answer)
Multimedia content like videos.
#4
Front (Question)
What are the features of optical media?
Back (Answer)
• Great reliability (shock and water proof) • Portable • Low cost • Slow read write speeds because of moving parts • Low capacity per disk
#5
Front (Question)
Is it quicker to write data or read data on optical storage?
Back (Answer)
read data