Without a significant amount of memory, a computer would merely be able to perform fixed operations and immediately output the result. It would have to be reconfigured to change its … See more

A modern digital computer represents data using the binary numeral system. Text, numbers, pictures, audio, and nearly any other form of information can be converted into a … See more

Storage technologies at all levels of the storage hierarchy can be differentiated by evaluating certain core characteristics as well as measuring characteristics specific to a particular … See more

Redundancy
While a group of bits malfunction may be resolved by error detection and correction mechanisms (see … See more

Generally, the lower a storage is in the hierarchy, the lesser its bandwidth and the greater its access latency is from the CPU. This traditional division of storage to primary, secondary, tertiary, and off-line storage is also guided by cost per bit.
In contemporary … See more

As of 2011 , the most commonly used data storage media are semiconductor, magnetic, and optical, while paper still sees some limited … See more

Primary storage topics
• Aperture (computer memory)
• Dynamic random-access memory (DRAM) See more