An erroneous term. Storage devices, including magnetic disks and tapes, solid state disks (SSDs) and rewritable optical discs, hold their content permanently until purposely changed (they are non ...

Lasting without power. All storage is non-volatile; however, most memory (RAM) is not, but there are exceptions (see non-volatile memory). See storage vs. memory. THIS DEFINITION IS FOR PERSONAL USE ...

Does it ever make sense to declare a variable in C or C++ as both volatile (in other words, “ever-changing”) and const (“read-only”)? If so, why? And how should you combine volatile and const properly ...