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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. Concurrently read concurrently write? It is one of the models derived from PRAM. In this model the processors access the memory locations simultaneously for reading and writ
Explain the CCITT hierarchical structure of routing using block schematic. In right-through routing the originating exchange finds the whole route from source to destination. N
Name the 7400 series TTL chip which is a priority encoder. Write its truth table. Ans. Available IC in 74 series is 74147 that is a priority encoder. Such I
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Define addressing modes. The dissimilar ways in which the location of an operand is specified in an instruction are referred to as addressing modes.
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An assembler is? Ans. An assembler is Machine dependant.
Protocol used to monitor and control network devices operates at? Protocol operates at application layer to monitor and control network devices operates.
Q. Illustrate program on hypothetical machine? The program given in figure above is a hypothetical program which performs addition of numbers stored from locations 2001 onwards
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