Question

1. The bottom layer (layer 0) in the layered OS structure.

		Kernel
		User interface
		Memory
		Hardware

QUESTION 17

1. _____________ allows data transfer between I/O and Memory

QUESTION 18

1. _________ is one of the OS services that loads the program into memory, run and end the execution.

QUESTION 19

1. _____________ service is needed when multiple programs have to cooperate to achieve a certain goal.

QUESTION 20

1. In ________ structure, kernel has the least amount codes.

Answer 1

Bottom layer is hardware

17.Input - output interface allows data transfer between I/O and memory

18. Program execution service- to load program into memory and executes the program

19. Communication service is needed when multiple processes have to cooperate to achieve a specific goal.

20.In Micro kernel system structure, kernel has the least amount codes.