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Q. What are the major advantages of the microkernel approach to system design?
Answer: Benefits usually include the following
(a) Adding a new service doesn't require modifying the kernel
(b) It is additionally secure as more operations are done in user mode than in kernel mode
(c) A simpler kernel design as well as functionality typically results in a more reliable operating system.
What is a buddy system? We are dividing the memory as powers of two therefore the division will be 2, 4, 8, 16, 32, 64, 128, 256...i.e. in powers of 2 as well as we are selecti
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
is there any difference between the trap and interrupt??
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how does DMA increase system concurrency
Question: a) The following questions refers to Windows XP networking: i) Briefly, explain how a host joins a network using DHCP? ii) Which IP address could be assigned to a
what is os
Contiguous allocation: Every file will be allocated contiguous space in the memory. Allow the block size be 1K If a 50K files desires to be allocated space after t
Briefly explain the process management in UNIX. UNIX makes use of the easy but powerful process facility that is visible to the user. UNIX follows the model in which the majori
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
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