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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.
What is critical section problem? Consider a system having of 'n' processes. Each process has segment of code known as a critical section, in which the process may be changing
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
Explain in detail about the Random Scan Display This device using CRT directs the electron beam only to the parts of the screen where a picture is to be drawn. This kind of d
Compare a decoder and a demultiplexer with suitable block diagrams. Ans. Demultiplexer has similar circuit as decoder but here e is obtained as the particular input line, the
What is a compiler? A Compiler is a program that accepts a program written in a high level language and creates an object program.
Q. Illustrate about Direct Addressing mode? In this technique operand field of instruction specifies direct address of intended operand for example if instruction LOAD 500 uses
1. What factors should be considered when selecting a digital encoder (line codes)? Briefly mention five of those factors. Use sketches and additional text to describe the followin
Question: (a) What are the rationales for an effective and independent regulator? (b) Across Africa, regulators have established Universal Service Funds (USFs) in order to
what are the two memory management scehme(boundary tag system,buddy system)
Whats the use of coa
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