Question

QUESTION 1 The design of operating is start by defining goals and specifications where it always affected by choice of hardware and type of system. Please describe user goals and system goals of an operating system project. QUESTION 2 Operating system structure had experience changes such as monolithic design, layering design and microkernel design. Please describe these changes. QUESTION 3 A process is defined as an entity which represents the basic unit of work to be implemented in the system. Please describe the components of process. QUESTION 4 As a process executes, it changes state. The state of a process is defined as the current activity of the process. Please describe each states. QUESTION 5 In operating system, each process is represented in the operating system by a process control block (PCB) also known as a task control block. PCB is the data structure used by the operating system that contains many pieces of information associated with a specific process. Please describe PCB.

Answer 1

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1.
Answer)
The design of the operating system should be defined by the goals and specification which are affected by hardware and systems. Thus there would be user goals and system goals for an OS.

The user goals or requirements should be:
The OS usage should be convenient
Should be easy to use and easy to learn
Should be safe and secure to use and information handling, and security should be robust
Should be fast in response to the user requests

The system design requirements should be as follows:
The OS should be easy to design, maintain and also implement
Updates should be delivered in an easy way
Adequate security and privacy should be implemented
Resource sharing should be enabled for processes
Should support present software and hardware and should be scalable for future requirements
Should be backward compatible

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