Burge-Irby,April 1.3

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April Burge-Irby October 26, 2023 1.3 - Operating Systems: A Discussion My name is April Burge-Irby and I’ve used windows 8-10, iOS , chrome os, android , Mac OS. My favorite is Mac OS and iOS. I’ve always been a lover of Apple products and their OS. I honestly would like to be able to learn as much as I can. I want to be able to program a computer eventually or just understand computers more. 1. What do all three kernels have in common? A monolithic kernel implements services in the same address space.A hybrid kernel, such as the Microsoft Windows NT and Apple XNU kernels, attempts to combine the behaviors and benefits of microkernel and monolithic kernel architectures. 2. Discuss the advantages and disadvantages of each type of kernel. Try to be unique and select an advantage or disadvantage that has not been discussed by another student if possible. Some advantage’s of Monolithic Kernel are simpler to design and implement compared to microkernels.Performance, Because all the components are part of the same module, communication between them is fast and efficient, leading to better performance.Flexibility, Monolithic kernels can be easily modified and extended, making it easier to add new features and improve existing ones. Some disadvantages are Scalability, As the operating system grows, the size of the monolithic kernel also grows, making it more difficult to maintain and debug.Stability, A bug in ESSAY TITLE 1

any part of the monolithic kernel can potentially crash the entire system, making it less stable.Security,Because all components are part of the same module, a security breach in one part of the system can potentially compromise the entire system. Some advantages of Micro Kernel is Scalability,Because the microkernel is smaller and only includes the essential components, it is easier to maintain and extend, leading to better scalability.Stability, If a component crashes, only that component is affected and the rest of the system remains operational, making it more stable.Security,Because components run in separate user-mode processes, a security breach in one component cannot affect the entire system, leading to better security. Disadvantages of Micro Kernel are Performance, Communication between components is slower, as they are separated by the kernel and must go through system calls, leading to reduced performance.Complexity,Microkernels are more complex to design and implement compared to monolithic kernels.Integration, Integrating components can be more difficult, as they are separate from the kernel and must be carefully managed. Some advantages of Hybrid Kernel are Performance,A Hybrid kernel combines the fast communication between components of a Monolithic kernel with the stability and security benefits of a Microkernel.Scalability,The smaller size of the kernel compared to a Monolithic kernel makes it easier to maintain and extend, leading to better scalability.Flexibility, The larger kernel ESSAY TITLE 2

compared to a Microkernel allows for more components to be included and integrated, leading to better flexibility. Some disadvantages of Hybrid Kernel are, Complexity-Hybrid kernels are more complex than both Monolithic and Microkernels, as they must balance the advantages and disadvantages of both.Integration,Integrating components can be difficult, as they must be carefully managed and balanced with the size and functionality of the kernel.Performance trade- off,While a Hybrid kernel can improve performance compared to a Microkernel, it may still be slower than a Monolithic kernel due to the separation of components. ESSAY TITLE 3

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