Assume a hypothetical system where disk space has been divided into disk blocks of 25 bytes. The operating system needs to allocate space for a 120-byte file called output_log. Create a diagram for each of the three allocation methods showing how the space might be allocated and what information would be stored in the file directory for that file. For Linked Allocation, assume the first 5 bytes of each block is used for the pointer

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Fundamentals of distributed DBMS

A software with a centralized system that handles the distributed database in such a way that all are stored in a single site is known as a database management system (DBMS). The idea of the distributed database system is the centralized database, the data is spread out on a distributed network among the cities each having its computer and data storage facilities. This distributed data management is considered a single logical database.