(simile) Synonym of mind like a sieve

(computing) The extent of memory above the first megabyte in the address space of later PCs

(computing) The first 640 kilobytes of RAM in an IBM-compatible PC

(computing) The first 640 kilobytes of RAM on an IBM-compatible PC. / (computing) The amount of RAM installed on a new computer, before any optional upgrades.

Foam consisting of polyurethane and other chemicals used in the manufacturing of pillows, mattresses, laptop sleeves, etc, which reacts to body heat and molds to the shape of the body.

(idiomatic) In recent history, in recorded history amongst the lifespan of extant people; events or situations which can be remembered by people that are still alive.

plural of shape memory alloy

(idiomatic) In living memory.

plural of dynamic memory allocation

(computing) The process of allocating memory at runtime.