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Optical devices
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Total cards: 6•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
Name examples of optical media?
Back (Answer)
DVD’S, CD’S and Blu-ray discs
#2
Front (Question)
How are optical media read?
Back (Answer)
Lasers write data to the disc and read data from it
#3
Front (Question)
Name the three different CD formats
Back (Answer)
Read only (CD-ROM) recordable (CD-R) rewriteable (CD-RW)
#4
Front (Question)
What happens at the manufacturing of CD-ROM?
Back (Answer)
Pressed with data at the time
#5
Front (Question)
How are optical devices similar to hard disk drives?
Back (Answer)
They both have moving parts
#6
Front (Question)
How are optical media slow compared to SSD’s?
Back (Answer)
Because they have moving parts it makes their access times and data transfer speed relatively slow