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Consider the microwave oven in your kitchen, using object-oriented thinking.
-Create a table with the following four column headings: Top-Level Objects, Communicates With, Incoming Messages, and Outgoing Messages.
-Identity the top-level objects of the microwave.
-Explain some of the graphical user interfaces (GUIs) and communications messages that occur during the operation of a microwave.
-Describe some of the advantages of having a componentized system. For example, what happens if the microwave breaks?
company wants to upgrade the computers they have by adding another internal hard drive and preparing it for use. How do you explain how to do this and the options that the company has?
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?
Operating System Proposal
Discuss and explian wired and wireless media along with the drawbacks and benefits of each also Discuss the channel signaling systems used in voice communication along with the drawbacks and benefits of each.
Some systems automatically open a document when it is referenced for the 1st time and close the file when the job terminates.
Given separate instruction and data cache units, the MIPS ISA, an instruction cache miss rate of 15%, a data cache miss rate of 20%, and a miss penalty (for both cache units) of 5 clock cycles, what are the AMAT in cycles per access of the.
Describe the difference between an exclusive lock and a shared lock. Define deadlock and how can it be avoided? How can it be resolved once it occurs?
What speedup could be expected in the steady state by using a merging write buffer instead of a nonmerging buffer when zeroing memory by the execution of 64 bit stores if all other instructions could be issued in parallel with the stores and the b..
question 1 give an example where strict 2 phase locking is followed but the resulting schedule leads to deadlock.
You picked pipe, which creates the pipes used to send byte streams from one process to another. Is it still possible to implement I/O redirection somehow? What about pipelines? Discuss the problems and possible solutions.
Provide possible reasons for a slow LAN, fill in why each reason causes a slow LAN and provide your solution. Each reason will take a minimum of 150 words to address thoroughly.
Do you consider that standards are beneficial in the field of wireless networking or do you feel they limit new technologies?
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