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Think about call of two intrinsic functions discussed above for a 32-Processor (4×8) Multicomputer:
The function call NUMBER_OF_PROCESORS () will return 32.
The function call NUMBER_OF_PROCESORS (1) will return 4.
The function call NUMBER_OF_PROCESORS (2) will return 8.
The function call PROCESSORS_SHAPE () would return an array with two elements 4 and 8.
We can employ these intrinsic functions in tandem with HPF directives and array declarations to give flexibility to programmer to declare abstract processor arrays which match available physical resources. E.g. subsequent statement !HPF$ PROCESSORS P(NUMBER_OF_PROCESSORS()) declares abstract processor array P with size equivalent to number of physical processors.
Analog signals can be by combining them with a carrier frequency (A) Carried (B) Transported (C) Multiplexed
Q. Signaling PVM process? int pvm_sendsig( int tid, int signum ) Transmits a signal to other PVM process. tid is task identifier of PVM process to receive signal.
Which approaches do not require knowledge of the system state? Ans. Deadlock detection, deadlock prevention and deadlock avoidance; none of the given require knowledge of the s
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Perform the following calculations assuming that all numbers are stored in 16-bit registers as 2's complement binary numbers with no overflow provision. Convert each of the numbers
a. What are the differences among conventional signatures and digital signatures? Write a short note on "Attacks on digital signature". b. What is Public-Key Infrastructures
Q. Explain Status and Control Registers? For control of numerous operations several registers are used. These registers can't be used in data manipulation though content of som
algorithm of data structer
Error handling in Hard disk in computer architecture : Modern drives also make widespread use of Error Correcting Codes (ECCs), specifically Reed-Solomon error correction.
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