Segmentation
Segmentation is a memory-management scheme that supports user view of memory. A program is a collection of segments. A segment
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Operating System
Non-contiguous memory allocation
Non-contiguous memory allocation In non-contiguous memory allocation, it is allowed to store the processes in non-contiguous memory locations. There
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Partition Selection policy & Fragmentation
Partition Selection policy: Partition Selection policy, When the multiple memory holes (partitions) are large enough to contain a process, the
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Memory Allocation
Memory Allocation Memory allocation, The main memory must accommodate both the operating system and the various user processes. We
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Logical- Versus Physical-Address Space
Logical- Versus Physical-Address Space Logical versus physical Address, The logical address is a virtual address. It can be viewed by the
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Memory management
Memory Management Memory management,In a uni-programming system, main memory is divided into two parts: one part for the operating system
Read moreRecovery From Deadlock
RECOVERY FROM DEADLOCK Recovery From Deadlock: -When a detection algorithm determines that a deadlock exists, then the system or operator
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DEADLOCK DETECTION
DEADLOCK DETECTION Deadlock detection, If a system does not employ either a deadlock-prevention or a deadlock avoidance algorithm, then a
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Safety Algorithm & Resource-Request Algorithm
Safety Algorithm The algorithm for finding out whether or not a system is in a safety algorithm can be described
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Banker’s algorithm
Banker’s algorithm The Banker’s algorithm is a resource allocation & deadlock avoidance algorithm developed by Edsger Dijkstra that test for
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Deadlock Avoidance
DEADLOCK AVOIDANCE Deadlock Avoidance approach to the deadlock problem anticipates deadlock before it actually occurs. This approach employs an algorithm
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