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.
There are two different types of storage devices: 1  Primary Storage Devices: Generally smaller in size, are designed to hold data temporarily and are internal to the computer. 2  Secondary Storage Devices: These usually have large storage capacity, and they store data permanently.