-- Bertrand Russell. I. Cellular Respiration: breaking down sugar in the presence of oxygen (aerobic). Photosynthesis (you recall...) is the process by which CO 2 and H 2 O are used to make sugars and starches.
Emmc is an embedded memory that a manufacturer adds that is related to flash memory. Hard drives are the ubiquitous spinning disk digital storage devices that keep our songs, photos and programs safe. They are usually found in lap and desktops but the first ipod had one also some digital cameras.
Hard drive. A hard disk drive (sometimes abbreviated as Hard drive, HD, or HDD) is a non-volatile memory hardware device that permanently stores and retrieves data on a computer. A hard drive consists of one or more platters to which data is written using a magnetic head, all inside of an air-sealed casing. Internal hard disks reside in a drive bay, connect to the motherboard using an ATA, SCSI, or SATA cable, and are powered by a connection to the PSU (power supply unit).