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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.
Advantages and Disadvantages of Public-key cryptography Advantages (i) Enhanced security and convenience (ii) Electronic records may be authenticated by affixing
Q Consider the following expression. Assume that complement inputs are available. F(A,B,C,D) = ∑m (1,2,6,9,10,14) + ∑d (4,7,8,11,12) a. Find minimal expression for SOP. Draw
Explain the basic architecture of digital switching systems. An easy N X N time division space switch is demonstrated in figure. The switch can be shown in an equivalence for
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Network address prefixed by 1110 is a? Network address prefixed through 1110 is a multicast address.
Question: (a) A computer network can be a LAN or a WAN. Using appropriate diagrams and examples, explain what you understand by the term LAN. Your answer should also explain
Explain briefly the function of different layers which are covered under end to end layer connectivity. Different layer are as follows: 1. Transport Layer: This is res
Which work process triggers database changes? Update work process
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Avoiding Local Minima of multi-layered networks-Artificial intelligence : The error rate of multi-layered networks over a training set could be calculated as the number of mis
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