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-Huge kernel size
-only privileged ones can access and manage system resources
-applicants are forced to use implementation of these privileged ones
-bound to imperfect for specific appliaction needs
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Disadvantage of writing OS in high level language such as C?
Nothing. Every modern OS is written in C, except for some little special parts (like interrupt-handling) that are written in Assembly.
What is the advantage and disadvantage of Blender software?
1. it's free www.blender.org to download 2. Supports programming in python 3. it can develop games. 4. very fast, lightweight, and no install needed 5. run's on many os's win32, linux, mac osx, etc. = Disadvantage = 1. Learning curve for non standard gui
What is a disadvantage for a screw?
The disadvantage of the screw is you have to put greater distance.
What are the disadvantage of desalination?
mmmm
Disadvantage of data glove?
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What are the main advantages of the microkernel approach?
The main advantages are that new services do not need to modify the kernel and it's easier to port between hardware. Also, microkernels provide more security because of less time in privileged mode.
What kernel is Mac OS X based on?
Mac OS X is based on the XNU kernel, a microkernel Mach kernel with a BSD userland, which makes Mac OS X's kernel a hybrid-kernel.
What are the disadvantages of a microkernel?
suffer from performance decreases due to increased system function overhead. Consider the history of Windows NT. The first release had a layered microkernel organization. However, this version delivered low performance compared with that of Windows 95. Windows NT 4.0 partially redressed the performance problem by moving layers from user space to kernel space and integrating them more closely. By the time Windows XP was designed, its architecture was more monolithic than microkernel.
What is microkernal?
In computer science, a microkernel is the near-minimum amount of software that can provide the mechanisms needed to implement an operating system (OS).
What is the difference between microkernel and nanokernel?
Microkernel I Smaller Than A Nanokernel
Why you dont use a microkernel in Linux?
Because the communication between different parts of the system is more complex in a microkernel.
What microkernel does the Hurd currently run on?
mach
What is prex OS?
Prex OS is an open source portable real-time operating system for embedded systems. Prex is designed specifically for tiny, resource-constrained platforms. It is written in ANSI C based on traditional microkernel architecture. Prex is royalty-free software released under BSD License.
How does the operating sistem affect the performance of the computer?
A computer can not operate without an os, different OS's have different UI,s
Advantages and disadvantages of spanning tree protocol in networking?
the disadvantage os stp that it is time consuming.
Is Mac OSX is a distribution of Linux?
OS X was forked from the FreeBSD 2.x/3.x branch. with kernel mods and the quartz userland. the various OS X releases have corresponding FreeBSD releases. it uses the FreeBSD mach microkernel with os9 compatibility. Darwin is the development builds of OS X versions. the FreeBSD guys backport OS X tech into their OS. OS X is opensource aside from the quartz userland. OS X also includes kernel components from the NeXT step operating system.
What is the Architecture of microkernel for solaris?
None. Solaris has a monolithic kernel.
