sentences:  DRAM had a 47% increase in the price-per-bit in 2017, the largest jump in 30 years since the 45% jump in 1988, while in recent years the price has been going down.The cryptanalytic machine code-named ""Aquarius"" used at Bletchley Park during World War II incorporated a hard-wired dynamic memory.Paper tape was read and the characters on it "were remembered in a dynamic store.