Question

Explain memory map of single user operating system

Answer 1

Answer:

In computer science, a memory map is a structure of data (which usually resides in memory itself) that indicates how memory is laid out. ... In the boot process, a memory map is passed on from the firmware in order to instruct an operating system kernel about memory layout.

Answer 2

A single application has access to all of the computer's memory, with the exception of a small amount allocated for the operating system.

About memory map of single user operating system :

• The simplest memory management strategy is single allocation. A single application has access to all of the computer's memory, with the exception of a small amount allocated for the operating system.

• MS-DOS is an example of a system that uses this method of memory allocation.

• From the 386 onwards, Intel processors supported a virtual 8086 mode, which reduced the amount of hardware necessary to implement expanded memory for DOS applications.