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Define DMA controller.
The I/O device interface control circuit that is used for direct memory access is called as DMA controller.
Draw a neat labelled diagram of the OSI reference model for computer networks showing all the layers and the communication subnet boundary. The computer network consists of all
Distinguish among the functions islower() and tolower(). islower( ) and tolower( ): islower(c) is a character testing function described in ctype.h header file. This
Define Hit ratio. The performance of cache memory is frequently measured in terms of quantity called hit ratio. Hit-Find a word in cache. Miss-Word is not found in cache.
What are program invisible registers? Global and local descriptor tables are found in memory system. In order to specify and access the address of these tables, program invisi
Explain about the MINI COMPUTER Minicomputers are much smaller in size than mainframe computers and they are also less expensive. The cost of these computers can differ from a
What is Fork Clk gets its value after 1 time unit, reset after 10 time units, enable after 5 time units, data after 3 time units. All the statements are executed in parallel.
What are the types of Subroutines? Internal Subroutines: The source code of the internal subroutines will be in the similar ABAP/4 program as the calling procedure (intern
What is Hamiltonian path? A Hamiltonian path in a directed graph G is a directed path that goes through every node exactly once. We consider a special case of this problem whe
What are the basic steps needed to execute an instruction by the processor? Ans: The basic steps needed to execute an instruction by the processor are: A) First fetch th
Organisational Inertia - Obstacle To Information System This is most easily understood as problems of change and culture. Like any change process technology led change will be
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