Store operation means: (a)CPU reads data from RAM and save in a register (b)CPU reads data from Keyboard and save in RAM (c)CPU writes/saves contents of a register to RAM (d)CPU sends contents of RAM to an output device

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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.