enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Optical disc - Wikipedia

   en.wikipedia.org/wiki/Optical_disc

   100 GB, 128 GB: 1 TB: 2010–present Professional Disc for Data (PDD) 23 GB: 2003-2006 Professional Disc: 23–128 GB: 2003–present Digital Multilayer Disk: 22-32 GB: 2004–2007 Multiplexed Optical Data Storage (MODS-Disc) 250 GB–1 TB: 2004–present Universal Media Disc (UMD) 0.9–1.8 GB: 2004–2014 Holographic Versatile Disc (HVD) 6.0 ...

3. Comparison of memory cards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_memory_cards

   32 GB Compact (31 mm × 20 mm × 1.6 mm), optional DRM, up to 32 GB PRO-HG Duo 2007–2008 32 GB Compact (31 mm × 20 mm × 1.6 mm), swifter, optional DRM, up to 32 GB Micro (M2) 2006 16 GB Subcompact (15 mm × 12.5 mm × 1.2 mm), optional DRM, up to 16 GB Sony PS Vita Memory Card 2012 64 GB

4. Floppy disk format - Wikipedia

   en.wikipedia.org/wiki/Floppy_disk_format

   Subsequent use of the term "density" referred to physical characteristics of the media, with MFM assumed to be the logical format used. GCR was also used on some platforms, but typically in a "double" density form. 8- and 5 + 1 ⁄ 4-inch floppy disks were available with both soft sectoring and hard sectoring. Because of the similarity in ...

5. Floppy disk - Wikipedia

   en.wikipedia.org/wiki/Floppy_disk

   The term "floppy disk" appeared in print as early as 1970, [8] and although IBM announced its first media as the Type 1 Diskette in 1973, the industry continued to use the terms "floppy disk" or "floppy". In 1976, Shugart Associates introduced the 5¼-inch floppy disk drive. By 1978, there were more than ten manufacturers producing such drives. [9]

6. List of floppy disk formats - Wikipedia

   en.wikipedia.org/wiki/List_of_floppy_disk_formats

   1 40 9 512 180 kB 300 MFM Single head drive, but double-sided floppy discs (total of 360 kB per floppy) Amstrad PCW8512/9512: 3 inch Double 2 80 9 512 720 kB 300 MFM 720 kB mode uses both sides - ensure disc inserted correct way up. Apple II: 5 1 ⁄ 4 inch Double 1 35 13 256 soft 113.75 kB 300 GCR [NB 2] 1 16 140 kB 3 1 ⁄ 2 inch Double 1 80

7. Optical storage media writing and reading speed - Wikipedia

   en.wikipedia.org/wiki/Optical_storage_media...

   Writing a DVD at 1× (1 385 000 bytes per second) [5] is approximately 9 times faster than writing a CD at 1× (153 600 bytes per second). [6] However, the actual speeds depend on the type of data being written to the disc. [6] For Blu-ray discs, 1× speed is defined as 36 megabits per second (Mbit/s), which is equal to 4.5 megabytes per second ...