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Critical section: A section of code within a process that requires access to shared resources and that may not be executed while another process is in a corresponding section of code.
Deadlock: A situation in which two or more processes are unable to proceed because each is waiting for one of the others to do something.
Livelock: A situation in which two or more processes continuously change their state in response to changes in the other process(es) without doing any useful work.
Mutual Exclusion: The requirement that when one process is in a critical section that accesses shared resources, no other process may be in a critical section that accesses any of those shared resources.
Race Condition: A situation in which multiple threads or processes read and write a shared data item and the final result depends on the relative timing of their execution.
Starvation: A situation in which a runnable process is overlooked indefinitely by the scheduler; although it is able to proceed, it is never chosen.
Discuss an example for each of the concurrency key terms
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. What percentage of the memory's total operating time must be given to refreshes?
Describe three solutions to critical section problem Explain the different methods used to handle deadlocks Distinguish between "No preemption" and "circular wait" in deadlocks prevention
Construct a table for consumer. The manager tells me that this table needs to track the following data: all consumers' social security number, first and last name, address, city,
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a small CPU with a 10-bit address bus. You need to connect a 64-byte PROM, a 32-byte RAM, and a 4-port I/O chip with two address lines. Chip selects on all chips are asserted high.
List all the words in memory that can be considred to be decimal ASCII coded numbers. An ASCII coded word can vary from 3030h to 3939h.
Discuss how is SOAP related to XML and HTTP? Suppose that your readers are familiar with browsing the internet, but they have no technical knowledge of how its works behind scene.
The answer describes the requirement for routers to support both IPv4 and IPv6 protocol stacks and describes the several types of connections a dual stack router can support, and why such connections are necessary.
Using a simulator the boson simulator need to create a four router topology. Using any interfaces of my choice. I am given 24 networks
In this case study, you require to construct a network checklist to establish certain process that enable you and other network security specialists to assess a network from different possible threats and vulnerabilities.
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