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.
Magnetic disks are the most common type of secondary storage. They may be either floppy disks or hard disks (hard drives).PERIPHERAL DEVICESPeripheral devices include all the input and output devices used with a computer system. When these devices are under control of the CPU, they are said to be on line.