COMPUTER FUNDAMENTALS

Detailed explanation-1: -A standard 120 mm, 700 MB CD-ROM can actually hold about 703 MB of data with error correction (or 847 MB total). In comparison, a single-layer DVD-ROM can hold 4.7 GB (4.7 × 109 bytes) of error-protected data, more than 6 CD-ROMs.

Detailed explanation-2: -Lets look at optical storage media. What that should mean to you is that you will need 9 CD discs to copy the 6 GB content. Or 2 DVD discs.

Detailed explanation-3: -The CD is capable of acquiring around 700 MB of data. The DVD is capable of acquiring 4.7 GB to 17 GB of data.

Detailed explanation-4: -They generally store anywhere from 1 GB to 64 GB of data. CD/ DVD is another alternative for carrying data, however it cannot store as much data as is stored in a pen drive. CD (Compact Disc) is a storage medium that has a storage capacity of 650 MB or 700 MB.

Detailed explanation-5: -These ‘audio singles have proved to be less popular than expected, although they are being increasingly used in CD-R (CD-Recordable) form as a low-cost way to store MP3 music files. An 8 cm CD-R has a capacity of 156 MB, or approximately 3 hours of music in MP3 format.