a)How many instances of resource A and B are available respectively? b)  What are the max additional needs of resource A and B for each process? c) Is the system in a safe state? Explain your reason. d) If a request from process P1 arrives for (1, 0), can the request be granted immediately? Explain your reason.

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Types of database architectures

A Database Architecture represents the Database Management System’s (DBMS) design (schema). The DBMS architecture makes it easy to understand the components involved in the database system and their relations. The DBMS architecture may vary based on the system on which it runs. Some systems contain both client and server machines whereas some run only on a server machine. Based on the architecture, the system can be classified as centralized, decentralized, or hierarchical.