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1. The X25-Demodulator machine does not provide a mechanism for interrupts; any process in the X25 OS is non-preemptive. In addition, the OS does not provide a means for selecting the next job to run. Provide the design and justification for your mechanism that supports process dispatching.
2. A spawned process (child) may proceed independent of the parent, as one method of OS process hierarchy management; another design is to have spawned processes directly linked to its parent, thus a child may only exist if the parent exists. Discuss the design advantage and disadvantage of each approach throughout the process lifecycle.
Compute the turnaround time for 4 batchh jobs, A through D, which arrived on a computer at almost the same time( say ,at time 0
Determine what security hole was exploited through criminal hackers to illegally access LexisNexis network, what method was employed. How did they turn a bad situatin into an opportunity to improve its reputation?
why is busy waiting on a lock variable not a good solution for mutual exclusion?
priority scheduling in operating system
Assume a time sharing operating system allocated time slices of twenty milliseconds and the machine executed an average of 5000 instructions per microsecond.
What are some distinct differences and similarities between the two operating systems? Why do you think it is important to know about both of these operating systems
Those applications that do not need a high level of reliability for operations can use the Minimalist Internet Multicast service model, like streaming of continues information in the forms of audio or video
Forking the child process
Use the definition of big-O to prove that 3n+2logn = O(n) . Provide the appropriate C & K Contants.
Discuss the advantages and disadvantages to combining voice, video, and data communications into one interface such as Skype.
What is the significane of the operating system (OS)? What reasons would the computer user have to change from one OS to another?
The following four requests could come in to the operating system as it is running on computer system: Clock in computer has just "ticked", and we require to update seconds counter.
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