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Q. Catalogue the design goals of Windows XP.
Answer: Design goals comprise security and reliability and Windows and POSIX application compatibility with high performance and extensibility and portability and international support. (1) Reliability was supposed as a stringent requirement and included extensive driver verification facilities for catching programming faults in user-level code and a rigorous certification process for third-party drivers and applications and devices. (2) Achieving high performance necessary examination of past problem areas such as I/O performance server CPU bottlenecks as well as the scalability of multithreaded and multiprocessor environments.
What are the services provided by the operating systems? Program Development It provides a variety of services and facilities, such as debuggers and editor, to help the
summary of what operating system do
Your CTO liked your proposal from Unit 2 so much he only trusts you to explain complex concepts to his managers. He now wants you to write him a four page paper explaining the CPU,
example of first fit best fit and worst fit
function of lazy swapper
Synchronization In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous. Blocking send : The sending pr
Q. Presume an operating system maps user-level threads to the kernel using the many-to-many model and the mapping is done through LWPs. Additionally the system allows developers to
SCAN o Go from the outside to the inside servicing requests and after that back from the outside to the inside servicing requests. o Replicate this over and over. o Diminish
Define deadlock. A process requests resources; if the resources are not available at that time, the process enters a wait state. Waiting processes might be never again change s
NEXT FIT ALGORITHM Here scanning starts from the first fit position and then it finds the next position which is large sufficient to hold the process. Thus the name next fit.
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