PRIMARY STORAGE AND UNIT OF STORAGE
Storage Unit- Storage unit of a computer system provides space for storing data and instruction, intermediate results, and results for output. Memory receives instruction and data from the input devices and stores them till they are needed by other parts of computer. Once the instructions are executed, the results transferred to a permanent location which are then stored in a storage device. There are two types of storage: - Primary storage : - Primary storage of a computer system, also known as main memory, stores pieces of program instructions and data, intermediate results of processing, and recently produced results of those job(s) on which the computer system is currently working. Primary storage is volatile, and it loses the information it as soon as the computer system switches off or resets. Secondary storage : - Secondary storage of a computer system, also known as auxiliary storage, takes care of the limitations of primary storage. It can retain informat