Q212. Overlay is:

Вариант ответа 1 - a) A part of an operating system

Вариант ответа 2 - b) A single contiguous memory that is used in olden days for running large programs by swapping

Вариант ответа 3 - c) Overloading the system with many user files

Вариант ответа 4 - d) None of The Above