COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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DVD
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BLU-RAY
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CD
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None of the above
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Detailed explanation-1: -A single-layer Blu-ray disk can store 25 to 33.4 GB of data, and a quad-layer Blu-ray disk can store up to 128 GB of data.
Detailed explanation-2: -A single-layer disc can hold 25GB. A dual-layer disc can hold 50GB.
Detailed explanation-3: -25GB capacity-Each disc can hold more than 5 standard DVDs. Space for HD video recording-Massive hard disk backups and large multi-media files.
Detailed explanation-4: -A blue-violet laser, emitting at a wavelength of 405 nanometres, reads the pits. Because the laser used in a Blu-ray is of a shorter wavelength than that used in DVDs (635 or 650 nanometres), the spiral track can be more tightly wound. Thus, the Blu-ray disc can hold more information than the DVD.
Detailed explanation-5: -In essence, 4K UHD Blu-ray discs are like HD Blu-ray discs but with superior resolution, color, playback and dynamic range capacities as well as much larger storage capacity. 4K discs are available in three capacities, with a 50GB version at an 82Mbps read rate, a 66GB version at 108Mbps and a 100GB version at 128Mbps.