It had up to 16K of 24-bit word core memory, all directly addressable.
External data memory is not directly addressable except in some high pin count PIC18 devices.
In general, external code memory is not directly addressable due to the lack of an external memory interface.
Bank switching is a technique to increase the amount of usable memory beyond the amount directly addressable by the processor.
As this memory was not directly addressable by user programs, it was seen as a set of named files containing either programs or data.
Ten to the tenth directly addressable.
The Hercules card's single monochrome graphics mode simply made all pixels directly addressable.
Depending on the environment, the screen buffer can be directly addressable.
While points are directly addressable (and thereby settable), direct interaction with the points requires too much knowledge of the underlying control system for the enterprise developer.
Fast storage was 1024 40-bit words of magnetic core memory (cycle time 5 s), directly addressable as 1024 full or 2048 half-words.