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We know that all processors share a common memory in shared memory model. Every processor, however, can be assigned a different part of the program stored in the memory to implement with the data stored in specified locations. Every processor does computation independently with the data allocated to them by the controlling program, called the main program. After completion their computations, all of these processors join the main program. The main program complete only after all child processes have been terminated completely. There are many alternatives to execute these ideas through high level programming. Some of them are:
i) Using heavy weight processes.
ii) Using threads.( e.g. Pthreads).
iii) Using a completely new programming language for parallel programming (e.g. Ada)
iv) Using library routines with an existing sequential programming language.
v) Modifying the syntax of an existing sequential programming language to produce a parallel programming language (e.g. UPC).
vi) Using an existing sequential programming language improves with the compiler directives for specifying parallelism (e.g. OpenMP).
We shall adopt the final alternative. We shall also give an introduction to the shared programming using library routines with an existing sequential programming language.
what role would you assign for Pentium iii, 500 MHz processor, 256 MB memory, 1o GB hard drive
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
Question 3:4 By experimentation, work out the lowest SNR, under which 4 users can si- multaneously communicate, without error, via this system. For SNR, simply report the largest v
Question: (a) Describe the importance of backups and the use of antivirus software. (b) With the help of an example/ illustration, explain the term encryption and explain
Using a process server (such as inetd or xinetd) to listen on a set of well-popular ports and start one another server. I said that it had much to do with overhead. Say you set u
Prepare the Network Step 1: Cable a network that is similar to the one in the topology diagram. You can use any current switch in your lab as long as it has the needed inte
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Simulate extremely limited forms of IP and ICMP. You will simulate 6 computers, 4 hosts and 2 routers, that are connected in an imaginary network with the topology as shown belo
ATM designers select cells over packets because of the following facts: Cells are fixed length and memory management for them is easy. Handling variable length packets tends
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