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Q. Explain Message passing among systems?
Communications- Message passing among systems requires messages to be turned into packets of information and sent to the network controller also transmitted across a communications medium and reassembled by the destination system. Packet ordering as well as data correction must take place. Again user programs mightn't coordinate access to the network device or they might receive packets destined for other processes.
FIRST FIT ALGORITHM Scanning a list along with if a free hole is available with necessary space for the process to allocate it allocates the process in that space. The first s
Now let us present an implementation of a producer-consumer system using condition variables. This implementation works. dequeue() lock(A) while (queue empty) { wait(A, C)
Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission to e
Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and
What are two differences among user-level threads and kernel-level threads? Under what circumstances is one type better than the other? (1) User-level threads are unknown by th
Question 1 Explain the structure of operating system in detail Question 2 Explain the following scheduling algorithm 1) First come Firs
Question: (a) i. Consider Active Directory as a database, then for each type and new class of objects, what is created? ii. What is the purpose of the global catalog? ii
What is critical section problem? Consider a system consists of 'n' processes. Every process has segment of code called a critical section, in which the process might be changi
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
Virtual addresses are made up of two parts: the ?rst part is the page number, and the second part is an offset inside that page. Suppose our pages are 4kb (4096 = 212 bytes) long,
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