What are the advantages and disadvantages of CD R?
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Difference between CD-R and CD-RW :
| CD-R | CD-RW |
|---|---|
| It is effective for long term back-ups. | It is the best for data transferring. |
However, CD-R's real disadvantage is that the writing process is permanent. The media can't be erased and written to again. Only by leaving a session open – that is, not recording on the entire CD and running the risk of it not playing on all players – can data be incrementally added to a disc.
- A fixed interest rate. When you open a CD, you decide exactly how much you want to invest and how long to invest. ...
- Higher returns. ...
- Predictable returns. ...
- Interest options. ...
- Ladder options. ...
- Security. ...
- Account access.
- It will take years for movies and software to become widely available.
- It can't record (yet).
- It has built-in copy protection and regional lockout.
- It uses digital compression. ...
- or vague.
- The audio downmix process for stereo/Dolby Surround can reduce dynamic range.
| Advantages of CDs | Disadvantages of CDs |
|---|---|
| Small and portable | Fairly fragile, easy to snap or scratch |
| Very cheap to produce | Smaller storage capacity than a hard drive or DVD |
| Most computers can read CDs. If there is no CD drive, a DVD drive can usually read them | Slower to access than the hard disk. |
- Advantage #1: Disaster Recovery (DR) ...
- Advantage #2: Access your data anywhere. ...
- Advantage #3: Low cost. ...
- Advantage #4: Scalability. ...
- Advantage #5: Security. ...
- Disadvantage #1: Lack of total control. ...
- Disadvantage #2: Difficult to migrate. ...
- Disadvantage #3: Requires Internet.
A standard CD-R is a 1.2 mm (0.047 in) thick disc made of polycarbonate about 120 mm (5") in diameter. The 120 mm (5") disc has a storage capacity of 74 minutes of audio or 650 Megabytes of data.
abbreviation for. compact disc recordable: a compact disc that can be used to record only onceCompare CDE.
A certificate of deposit (CD) is a type of time deposit account that pays interest to savers over a set maturity term. Some of the main advantages of CDs include the potential to earn higher interest rates and the option to use a laddering strategy.
| Advantages of DVDs | Disadvantages of DVDs |
|---|---|
| Sound and picture quality is excellent, making them ideal for storing films with video and sound. | There is no single standard of DVD |
| DVDs are now mass produced so they are relatively cheap | They can be easily damaged by breaking or scratching |
What is the advantage of CD and DVD?
The same size as a CD-ROM, DVD offers many advantages over CD and videotape. Because DVD uses a higher sampling rate and can store more information, it produces a richer, fuller sound and delivers a video image that's twice as clear as VHS.
The main difference is that the DVD can store much more data than a CD-ROM, CD-R, or CD-RW. DVD+R is a recordable DVD format similar to CD-R. A DVD+R can only record data once, then the data becomes permanent on the disc. The disc cannot be recorded onto a second time.
- Small.
- Easy to carry.
- Cheap.
- Easy to transport and handle.
- Data on a floppy disk device can be write-protected from being changed accidentally.
- Floppy disk can be used to transfer data from one computer to another computer.
- Portable and inexpensive.
The same size as a CD-ROM, DVD offers many advantages over CD and videotape. Because DVD uses a higher sampling rate and can store more information, it produces a richer, fuller sound and delivers a video image that's twice as clear as VHS.
Money market investing can be very advantageous, especially if you need a short-term, relatively safe place to park cash. Some disadvantages are low returns, a loss of purchasing power, and that some money market investments are not FDIC insured.
