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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.
Under what architecture would you classify technologies such as virtualization, cloud computing, and Web-based applications? Last, what factors are involved in selecting the architecture that is right for your organization?
Design a document flow chart to depict each of given situations. Batch control tape is prepared along with set of transactions to make sure completeness of the data.
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.
Explain how concepts such as RISC, pipelining, cache memory, and virtual memory have evolved over the past twenty-five years to improve system performance.
In multicategory case a set of samples is said to be linearly separable if there exists linear machine which can classify them all correctly.
Why do we need to calculate the present value of future earnings? A company can invest $100,000 to develop a new system, or it can put that amount into a second best alternative investment getting 10 percent.
Descriibe in scholarly detail relationship of strategic, tactical, and operational plans,
The CIO has asked you to explain why you suggest it is so significant to secure your Windows and Unix/Linux servers from known shortcomings/vulnerabilities.
How deep can the procedure calls go before registers must be saved in memory? (That is, what is the maximum number of "active'' procedure calls that can be made before we need to save any registers in memory?)
Compare the performance (using AMAT) of a one-level split cache and a two-level unified cache system. For the one-level split cache, suppose a hit takes 2 clock cycles.
Convert the following decimal mumbers into 8-bit binary numbers a required for 2's complement math, and perform the indicated operations.
Discuss the possibility of using fiber optic cable instead of either twisted pair cable or staying with the existing coax wiring structure.
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