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- Phonograph plays by physical contact between record groove and sharp stylus.
- CD plays using laser light reflected from pits in concentric tracks on metal film embedded in transparent plastic disc.
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What is all the difference between a CD and DVD?
CDs are for music while DVDs are for movies
This may be dumb but what is the difference between CD's?
Some CDs have music, some have games, and some have pictures.
What is the difference between a blu ray drive and a cd drive?
There are some distinctive differences between a blu ray drive and a cd drive although they are both examples of optical media. I think a blu ray drive can read cds and dvds as well as blu ray cds while a cd drive only reads cds.
What played before a CD player?
Gosh, a question like that makes me feel old! Before CDs there were cassettes, and records at 33,45, and 78 rpm. Even earlier there were phonograph cylinders.
Where can one find a comparison between DVDs and CDs?
Both the DVD and Video CD are capable of storing digital video. The major difference between the two is the quality and length of the digital video that they store.
Helen and James had between them 161 cds James went to a party and lost 5 his cds which meant that Helen now had exactly twice as many as James how many CDs does each have now?
James has 52 cds and Helen has 104 cds.
What is the difference between CDs and VHS?
CD is a red-book digital audio storage standard and VHS is an analog video storage standard. CDs record data digitaly on a disk read with a lazer, whereas VHS tapes are analog and are read with an electromagnetic pickup.
What is the Difference between a CD and DVD when burning pictures?
on itunes u can only burn CDs onto ur i-pod, u can't do it with movies and movies take up more space for sure. and CDs hold music and DVDs hold movies obviously
What did Peter Carl Goldmark invent?
He invented the LP phonograph record in 1948 for Columbia Records and later the rest of the record industry that is still in limited use today, despite CDs and MP3s. He also invented a color tv system in the 50s and a home video player system(EVR) in the 60s. Both were never used due to better-developing technology at the time.
What is the difference between Cds DVDs and Blu ray discs?
CDs, DVDs and BluRay discs all work in similar ways. The primary difference is the data density on each disc. CD is the lowest density. A DVD can store several times the amount of data on the same surface area and BluRay will store several time the amount of a DVD.
What is the difference between a negotiable certificate of deposit and a non negotiable certificate of deposit?
A negotiable CD is a transferable CD. This means unlike traditional non-negotiable CDs, it can be sold in the secondary markets to other investors. The investment amount on negotiable CDs is also substantially larger than non-negotiable CDs. It is mainly targeted at institutional investors and companies.
What is the difference between a negotiable certificate of deposit and a non-negotiable certificate of deposit?
A negotiable CD is a transferable CD. This means unlike traditional non-negotiable CDs, it can be sold in the secondary markets to other investors. The investment amount on negotiable CDs is also substantially larger than non-negotiable CDs. It is mainly targeted at institutional investors and companies.
