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Q. Datatype Functions for Message Passing?
Datatype: It denotes type of data in message. This field is essential in the sense that MPI supports heterogeneous computing and different nodes can interpret count field differently. E.g. if the message comprise a strings of 2n characters (count=2n) a number of machines might interpret it having 2n characters and some having n characters depending on the storage allocated for every character (1 or 2). The basic datatype in MPI include all basic types in FORTRAN and C with two extra types which are MPI_BYTE and MPI_PACKED. MPI_BYTE denotes a byte of 8 bits.
Level of any node of a tree is :- Its distance from the root
Define Random scan/Raster scan displays? Random scan is a method in which the display is made by the electronic beam which is directed only to the points or part of the screen
List out the main requirements between page replacement policies which should be satisfied by a page replacement policy? The major requirements that should be satisfied
Tool that is used to transfer data/files among computers on the Internet TCP (Transfer control protocol)
To avoid race condition, the maximum number of processes that may be simultaneously inside the critical section is The maximum number of processes is one to ignore race conditi
Q. Registers used in IA-64 architecture ? Registers: The IA-64 architecture comprises a very generous set of registers. It has an 82-bit floating point as well as 64-bit inte
What are subroutines? Subroutines are program modules, which can be known from other ABAP/4 programs or within the similar program.
why we say OS is a resource allocator and control program
What is the necessity of an interface? Any device that has to be linked to a CPU requires an interface. This takes care of the mismatch in speed, data and electrical character
a company has 4 machines to do 3 jobs.each job can be assigned to one and only machine.determine the job assignments which will minimize the total cost
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