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Viva Questions on Laboaratory Practice-I Exp-01 What is knn classifier What is ‘K’ in knn classifier what is MPI Which are different MPI functions. What is Group and Communicator in MPI How to compile and run program using mpi platform What is parralel computing. What is mpi.h Exp-02 What is parralel sorting How parralel merge sort works What is openMP VS MPI What is #pragma omp what is omp_set_num_threads() What is omp.h How to run openMP program What is multithreading approach used in openMP What is space complexity and time complexity of Merge sort Exp-03 What is reduction clause in openMP What is data race condition How data race condition get avoided in openMP with reduction clause. Exp-04 How parallel matrix multiplication and paralle vector addition works? What is shared variable and private variable used in openmP What is fork operation Exp-5