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1. When a process moves from running to idle, the state of the machine has to be saved. Obviously this cannot mean the whole state, as there would be no place to save it. Just what information has to be saved?
2. There are two different implementations of POSIX pthreads in Linux. One is at user level, the other is as kernel threads. Which one is installed on the system you are using?
3. Some operating systems create a new process as a clone of the existing one; others create a new process with a new program. Discuss the advantages and disadvantages of both systems.
4. Investigate the different versions of the exec() system service, and istinguish between them.
5. Investigate how to pass parameters to a thread, when creating it.
6. Modern CPUs have special instructions to do all of the copying of registers required at a context switch. Investigate this instruction for a machine of your choice.
Counting heads. Given integers n and k, along with p1; : : : ; pn 2 [0; 1], you want to determine the probability of obtaining exactly k heads when n biased coins are tossed independently at random.
A 1024*768 image is displayed, noninterlaced, at a rate of thirty frames per second. If the image is stored with 64k-color resolution, which uses 2 bytes per pixel, how much memory is required to store the picture?
Explain the sequences of signals that occur on address bus, control bus, and data bus when a simple microcomputer fetches an instruction.
Which of the preceding principles are valid for this probabilistic conditional? Explain why or why not. Discuss the main difference that you found in your answers.
Write down technical paper on "Our goal is to aid programmers create program of high quality - programs that reliable, efficient, and reasonably.
This is an interesting DSS tool where you can view yourself walking or driving down a street in San Francisco or Seattle. If you operated a business in this city how could you use this tool to support your business.
Suppose the memory cells at addresses 00 through 02 contain the following bit patterns. What would be the first instruction executed if we start the machine with its program counter containing 00?
You are engaged by law firm to study evidence for the defence. You uncover evidence that doesn't help your client's case but was not discovered by the prosecution.
Up-to-the-minute information to clinicians in visually rich format to improve quality of patient care" do you believe this is the effective for medical industry to view this kind of information? Why or why not?
What networking and communications changes were introduced in the past decade (2000s), and what were their implications?
The SBH problem is to reconstruct a DNA sequence from its l-mer composition. Suppose that instead of a single target DNA fragment, we have two target DNA fragments
Find the contents of memory from address 0x1800 up to, but not including, 0x1809, after this code is executed.
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