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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.
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Why is it not possible to enforce memory protection at compile time? Every process should be protected against unwanted interference by other process, whether intentional or
how response times are reduced by allowing time sharing on top of multiprogramming
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
Problem: a) Define the term ‘process' and what are the different constituents of a process. b) In the three-state process model, what does each of the three states signify?
We will brie?y introduce paging to ?nish off this lecture. When a process is loaded, not all of the pages are immediately loaded, since it's possible that they will not all be need
what are the factors influencing the choice of a mode of transportation?
Q. List three instances of deadlocks that aren't related to a computer system environment. Answer: Two cars passage a single-lane bridge from opposite directions.
For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has particular "structu
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