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Compare contiguous-memory allocation with pure paging in the following aspects:
1. In support of dynamic memory allocation: most systems allow programs to allocate more memory to its address space during execution. Heap and stack are examples of such allocated memory.
2. External fragmentation and internal fragmentation.
3. Ability to share code across processes.
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
explain how indefinite blocking or starvation occurs..
Explain the Per Thread Scoping Thread-level programming introduces new twists for application-level variable scoping. Threads are commonly used in one of two ways. To ex
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
Synchronization In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous. Blocking send : The sending pr
Define lazy swapper. Rather than swapping the entire process into main memory, a lazy swapper is used. A lazy swapper never swaps a page into memory unless that page will be ne
Explain about demand paging? A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we chan
Step by step displays the content, and the final result of the list ("buffer") of 6 elements as the initial values ??and the following elements which are produced (NEXTP) or consum
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
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