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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.
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
Define properties of Time sharing operating system Time sharing:- T his systems uses CPU scheduling and multiprogramming to provide economical interactive use of a system. The
Q. What system calls have to be implementing by a command interpreter or shell in order to start a new process? Answer: In the UNIX systems a fork system call followed by an ex
Question: Concurrency and Synchronization a) Define the following terms: I. Critical section II. Mutual Exclusion III. Deadlock IV. Starvation. b) Name three methods w
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
What is Instruction trace
what is arm stickiness
#question.explain varios types of system calls..
what is difference between file descriptor and file pointer?
Q. Describes responsibilities of the I/O manager? Answer: The I/O manager is responsible for file systems and device drivers and network drivers. The I/O manager keeps follow
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