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The UNIX operating system for a multiprocessor system has a number of extra features as compared to normal UNIX operating system. Let's first consider the design objectives of multiprocessor UNIX. The original UNIX created by Dennis Ritchie and Brian Kernighan was created as general purpose, portable, time-sharing uniprocessor operating system.
The OS functions comprising virtual memory management, processor scheduling, I/O devices etc are applied with a huge amount of system software. Generally size of OS is larger than size of main memory. The part of OS which exist in main memory is known as kernel. For a multiprocessor OS is created on 3 models viz: Floating executive model, Master slave model, multithreaded kernel. These UNIX kernels are applied with monitors and locks semaphores.
What is an I/O Interface? Input-output interface provides a method for transferring binary information among internal storage, like memory and CPU registers, and external I/O d
What are its advantages? How is segmentation implemented in typical microprocessors? The first benefit that memory segmentation has is that only 16 bit registers are necessary
Ask questDesign a logic circuit with 4 inputs A, B, C & D that will produce output ‘1’ only whenever two adjacent input variables are 1’s. A & D are also to be treated as adjacent,
What is a union ? A union, like a structure, is a derived type. Unions follow the same syntax as structures but have members that share storage. A union type defines a set of alt
Q. What is Single Program Multiple Data (SPMD) SPMD is in fact a "high level" programming model which can be built on any arrangement of previously described parallel programmi
What is Grade of service? Grade of service: In a loss system, the traffic carried through the network is usually lower than the actual traffic offered to the network through
I did not see an option related to machine learning. so i selected computer engineering. Use different datasets such as: paintings by Picasso, Van Gogh, DaVinci
Q. Instruction Queue in Bus Interface Unit? Instruction queue is employed to store the instruction ‘bytes' fetched. Please conceren two points here: that it's (1) A Byte (2) Qu
Main problems with evaluation functions: Superlatively, evaluation functions should be quick calculates. Wherever is chance they take a long time to estimate, so after then le
What is MMU? MMU is the Memory Management Unit. It is a special memory control circuit used for executing the mapping of the virtual address space onto the physical memory.
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