What is not a disadvantage of priority scheduling in operating systems? a) A low priority process might have to wait indefinitely for the CPU b) If the system crashes, the low priority systems may be lost permanently c) Interrupt handling d) Indefinite blocking

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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.