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Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Explain multilevel queue scheduling and multilevel feedback queue scheduling #Minimum 100 words accepted#
Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
What are the common strategies to select a free hole from a set of available holes? The most common methods are a. First fit b. Best fit c. Worst fit
Semispace works by maintaining two disjoint areas from which memory can be allocated. These areas are called the from-space and the to-space. At ?rst, the algorithm allocates memor
importance of Operating system in modern computers. Also explain various functions & types of operating systems
Process Description A process in UNIX is a somewhat complex set of data structures that provides the operating system with all of the information necessary to dispatch and manag
DESIGN GOALS OF WINDOWS XP.DESCRIBE IN DETAIL.
Consider a scenario of post mailbox, there are two processes named sender S and receiver R. Both processes can communicate with each other by name along with message. You need to I
RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
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