Formerly the name carbohydrate was used in chemistry for any compound with the formula C m (H 2 O) n. Following this definition, some chemists considered formaldehyde (CH 2 O) to be the simplest carbohydrate, while others claimed that title for glycolaldehyde.
Samsung unveils 2.5-inch 16TB SSD: The worldâs largest hard drive. Third-generation 3D V-NAND is now up to 48 TLC layers and 256Gbit per die. At the Flash Memory Summit in California, Samsung has unveiled what appears to be the world's largest hard driveâand somewhat surprisingly, it uses NAND flash chips rather than spinning platters.
Dell began to offer optional 256 GB solid state drives on select notebook models in January 2009. In May 2009, Toshiba launched a laptop with a 512 GB SSD. Since October 2010, Apple's MacBook Air line has used a solid state drive as standard.