Answer:
A. C to clear any previous calculations.
hope it helps...
<h2>Hello!</h2>
The answer is:
- CD
- DVD
- UDO
<h2>Why?</h2>
Optical disks are circular disks used as storage for binary data usually made of polycarbonate. The data is stored in the disc using a laser machine and accessed using a laser diode illuminating the data path in an optical disc drive.
CD: Compact Discs are the most basic optical disk used today, with only a capacity that goes from 0.7 GB (700 MB) to 0.84 GB (840 MB).
DVD: Digital Versatile Discs increase the storage up to 6 times compared with a CD, the capacity of DVDs optical disks goes from 4.7 GB (4700 MB) to about 17 GB(17000 MB).
UDO: Ultra Density Optical have high capacity storage that goes from 30 GB (30000 MB) to about 60 GB (6000 MB).
Have a nice day!
Answer:
Application and system software is created on user dimension.
Time-to-live or TTL <span>tells a server how long the record should remain in the cache.
TTL is a mechanism that limits the lifetime of data in a network or a computer and prevents data packets from circulating indefinitely.
</span><span>It also improves the caching and privacy of networks and computers.</span>
