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Define Instance.
An instance is an administrative unit in which components of R/3 systems giving one or more services are grouped together. The services offered by a case are initialized and stopped at random. All components are parameterized using a joint instance profile. A central R/3 system having of a single instance in which all-essential SAP services are offered. Every instance uses separate buffer areas.
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
How free-space is managed using bit vector implementation? The free-space list is implemented as a bit map or bit vector. Each block is shown by 1 bit. If the block is free, th
Which is most common phase structured grammar? Most common phase structured grammar is Context – Sensitive
Q. Segmentation is alike to paging but uses variable-sized "pages". Describe two segment-replacement algorithms based on FIFO and LRU page replacement schemes. Remember that since
LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti
Problem: a) The CPU can access 2 storage devices directly. What are these 2 storage devices? b) Define 2 key issues involved in memory management. c) How do processes sha
Allocators can also be used to avoid problems with unsafe languages. C and C++ are pervasive, with huge amounts of existing code. They are also memory-unsafe languages, in that the
Clocks in distributed systems : a. Why are clocks difficult to synchronize in distributed systems? b. What features in a system assume that the clocks are (reasonably) synchr
Q. Consider the demand-paged computer system where the level of multiprogramming is currently fixed at four. The system was recently deliberate to determine utilization of CPU and
difference between soft link and hard links
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