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How Virtual memory is implemented
Virtual memory can be implemented along with Segmentation and Paging
Define approaches that require knowledge of the system state? Answer: Deadlock detection, Deadlock prevention, Deadlock Avoidance.
describe competing process
Example 1. The diagram illustrating the data structures of in-memory VFS objects and on-disk objects and their relationships on slide 24 of the lecture notes OSD.4. This diagram i
Define semaphore A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
are ''ASIC'' embeded systems
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Explain a boot control block A boot control block can have the information required by the system to boot an operating from that partition. If the disk does not have an operati
Q. Describe the three main architectural layers of Windows XP? Answer: (1) The HAL (Hardware Abstraction Layer) creates operating system portability by hiding hardware differ
code for implementing NFU page replacement algorithm
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