Define the necessary and sufficient condition for any number of transactions to be serializable

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Outline the implementation of (i) semaphores [4 marks] Define the necessary and sufficient condition for any number of transactions to be serializable. Your predicate should take the same arguments as bfs/2. [4 marks] Intelligence I This question relates to binary constraint satisfaction problems (CSPs). A CSP has a set X = {x1, . . . , xn} of variables, each having a domain Di = {v1, . . . , vni } of values. Explain the following C or C++ language concepts. Clearly for a single state, we have the entropy of the memoryless source. What is the most efficient possible sequence of such questions? Justify your
answer. [2 marks]  Marks are sent electronically both from the school and received in from other institutions