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Q. Initialize new PVM processes?
pvm_spawn( char *task, char **argv, int flag, char *where, int ntask, int *tids )
Initialize new PVM processes. Task a character string is executable file name of PVM process to be initialized. The executable should already exist on the host on that it is to be started. Argv is a pointer to an array of arguments to task. If the executable requires no arguments then second argument to pvm_spawn is NULL. Flag Integer specifies spawn options, Where a character string indicating where to begin the PVM process. If flag is 0 then where is ignored and PVM shall select the most suitable host. ntask, an integer which specifies number of copies of executable to begin. Tids , Integer array of length ntask returns the tids of PVM processes initialized by this pvm_spawn call. The function returns actual number of processes returned. Negative values points to error.
Q. Write a menu driven program to perform addition and subtraction in base 5. Check that entered numbers are in base 5 or not else error message should be displayed.
Explain Deadlock in operating system ? Deadlock: all process in a set of processes is waiting for an event which only a process in the set can cause.
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Q Explain Instruction cycle and Execution cycle. and also explain Instruction Counter, Memory Address Register and Memory Buffer Register.
Make a nested struct to store a person's name, address, and phone numbers. The struct should have 3 fields for the name, address, and phone. The address fields and phone fields wi
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What is meant by concurrent execution of database transactions in a multi user system
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