
Compact disc - Wikipedia
The compact disc (CD) is a digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs the Compact Disc Digital Audio (CD-DA) standard …
Best CD rates of December 2025 (Up to 4.25%) - Bankrate
Opening a certificate of deposit (CD) allows you to lock in an attractive fixed rate and earn higher returns compared to traditional savings accounts, while providing guaranteed growth for a set...
What Is a Certificate of Deposit (CD)? Pros and Cons
Nov 20, 2025 · What Is a Certificate of Deposit (CD)? A certificate of deposit (CD) is a type of savings account that pays a fixed interest rate on your deposit for an agreed-upon period.
Compact disc (CD) | Definition & Facts | Britannica
A standard CD is 120 mm (4.75 inch) in diameter and 1.2 mm (0.05 inch) thick. It is composed of a clear polycarbonate plastic substrate, a reflective metallic layer, and a clear protective coating of acrylic …
What Is a Compact Disc? - Computer Hope
6 days ago · Abbreviated as CD, a Compact Disc is a flat, round optical storage medium invented by James Russell. The first CD was created at a Philips factory in Germany on August 17, 1982. The …
What is a CD (Compact Disk)? - GeeksforGeeks
Jul 15, 2025 · CDs or Compact Disks are optically readable media. CDs are the replacement of the phonograph disc. The main material of the CD is plastic. The shape of the plastic is circular and one …
How Does A Compact Disc (Or DVD) Work? - Science ABC
Oct 19, 2023 · The CD format was originally developed for storing and playing sound recordings but was later adapted for storing data. Data on a CD is encoded with the help of a laser beam that etches tiny …
CD Rates Today: December 2, 2025 – Rates Slide – Forbes Advisor
6 days ago · Today's highest CD rate is 4.94% for a jumbo 6-month CD. CD rates from online banks are commonly twice as high as the national average rates. CD ladders let you leverage high rates …
Have a CD account set to mature in 2026? Here's what experts …
Nov 28, 2025 · If you're nearing the end of your CD term, there are a few simple but important steps you may want to take now.
Amazon.com: CD: CDs & Vinyl
Online shopping from a great selection at CDs & Vinyl Store.