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Q. Explain some of the ways an application can use memory via the Win32 API.
Answer: (1) Virtual memory offers several functions that allow an application to reserve and release memory and specifying the virtual address at which the memory is allocated.
(2) A file possibly memory mapped into address space providing a means for two processes to share memory.
(3) When a Win32 procedure is initialized it is created with a default heap. Private heaps is able to be created that provide regions of reserved address space for applications. Thread management functions are offers to allocate and control thread access to private heaps.
(4) A thread-local storage mechanism offers a way for global and static data to work properly in a multithreaded environment. Thread-lock storage assign global storage on a per-thread basis.
Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission to e
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How does an operating system make multiprogramming possible by using single processor?
Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo
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Direct memory access Many computers avoid burdening the main CPU with programmed I/O by offloading sine if this work to a special-purpose processor known as a direct memory add
Q. Present an algorithm for reconstructing a logical ring after a process in the ring fails? Answer: Typically distributed systems utilize a coordinator process that performs
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