Question

Explain the layered structure of windows 7 in details

Answer 1

19.4 Describe the three main architectural layers of theWindows 7 kernel. Answer: a. The HAL (Hardware AbstractionLayer) creates operating system portability by hiding hardware differences from the upper layersof the operating system.

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Answer 2

The architectural layers of the Windows 7 consists of three layers. They are:

HAL (Hardware Abstraction Layer)

Kernel Layer

Execution Layer.

Hardware Abstaction layer is used to hide the differences in the hardware with the operating systems and creates the portability of the 'operating system'.

Kernel layer supports the user mode subsystems and forms the base for execution functions.

Execution layer provides various services that are used by all the subsystems in other layers.