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The following four requests could come in to the operating system as it is running on computer system:
1. Clock in computer has just "ticked", and we require to update seconds counter.
2. The program running on processor 2 is attempting to do the illegal operation code.
3. Someone pulled the plug on power supply, and system will run out of power in 50 msec.
4. Disk has just read character which passed under read/write head, and it wishes to store it in memory before next one arrives.
In what order must operating system takle these requests and why in that order?
ATM networks use a token bucket program to regulate traffic. A new token is put into the bucket every one usec so ATM cells can be sent during this period.
Discuss the role of a database management system (DBMS) and what are its benefits and how does a relational database management system differ from a flat document?
Provide a table showing the Caesar cipher with a key five, and then provide the result of applying this cipher to the text 'I came I saw I conquered'.
Discuss and explain a technology related ethical issue. Determine the issue and its possible outcomes? How can the issue be resolved?
Now that you have a program design and a selected programming language for your assignment, you can start looking at the logical flow of the processes within your program and the data that is input,
Assume that four events need 35,20,10, and x me=sec of CPU time, respectively. Determine the largest value of x for which system is schedulable?
Discuss the benefits of networked computers? What are the drawbacks? Describe similar characteristics between the internet and a group of networked computers.
Write a multi-threaded program to solve producer and consumer problem
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
Show how to implement barriers using semaphores. Your solution should avoid busy-waiting. Be explicit about any initializations that you need to assume.
Analyze the user interaction interface of a typical website that you might wish to improve and design in terms of any ethical considerations that might require to be addressed.
Write a bash shell script filestatic. The script should examine the number files in directories given as arguments (parameters) to this script.
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