Muscle wasting, also called muscle atrophy, is the weakening or loss of muscle tissue. Muscle wasting causes a significant decrease in muscle strength and the ability to move the muscle, according to MedlinePlus. In a healthy individual, muscle wasting can occur as result of the lack of physical exercise.
Primary Storage Device. Alternatively referred to as internal memory, main memory, and primary memory, a primary storage device is a medium that holds memory for short periods of time while a computer is running.
Categorizing Storage Devices â¢ Storage devices hold data, even when the computer is turned off. â¢ The physical material that actually holds data is called a storage medium. The surface of a floppy disk is a storage medium. â¢ The hardware that writes data to or reads data from a storage medium is called a storage device. A floppy disk drive is a storage device. â¢ The two primary storage technologies are magnetic and optical.