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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
Analysis and implementation of algorithms for memory allocation in operating system, Explain First- t and best- t methods are used in memory allocation in operating systems.
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
Using exactly one semaphore, create an algorithm which prevents deadlock. Do not be concerned about starvation and inefficiency.
The Shortest Job Next (SJN) algorithm queues processes in a way that the ones that use the shortest CPU cycle will be selected for running rst.
when a process requests for I/O operations, it will suspend and another process will need to be selected for execution. What is the CPU utilization for a round-robin scheduler.
Saguaro Federal has mainframes for all of its banks and businesses. Should the corporations use the Ethernet or Token Ring protocol? Describe your choice. Discuss why is this choice appropriate?
Suppose your manager has asked you to explain the frame format of a typical Ethernet packet. Set-up a written report. Be sure to discuss Manchester encoding and 8B/10B encoding.
Create a program with a Graphical User Interface in VB.Net. Create it so that the user can input the amount and term of the mortgage as well as the interest rate.
Assume you are implementing a data warehouse project for a consumer and require to evaluate the many tools available for extracting, transforming, and loading data into the data warehouse from several sources.
Complete two file system schemas (Visio is suggested to draw the diagram of each schema). First must be OS on your PC. (NT, Windows 2 K or XP).
Discuss and explain real world examples from current events that decrease within your assigned category with your assigned group?
Many companies are using affiliate programs to drive traffic to their Web sites. explain what an affiliate program is and how it works.
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