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1) Why is it that threads are faster to create than processes?
2) What advantage do kernel threads provide over user threads? Give an example of a user thread package.
3) When a process is multithreaded, which of these resources are shared among the threads, and which are private to each thread?
? Memory
? Program counter
? Global variables
? Open files
? Register contents
? Stack/ local/automatic variables
4) List four events that transfer control to the operating system in privileged mode.
Design and implement the disableuser.sh script. Generate the special login script that incorporates the quoted message.
Suppose that you are the network security officer of one corporation, what will be your plan to enhance your network security firewall? VPN, Content level protection or combination of them?
A CPU in a router can procedure two million packets/sec. The load offered to it is 1.5 million packets per sec. If the route from source to destination contains ten routers
Since relocation hardware costs money, why support relocation? Give at least two reasons? 2) Make arguments for smaller page size on a paging system?
Significant performance increases can be obtained in an OS by overlapping I/O operations into file buffers, with CPU activity and microsoft Windows XP is a multi-threaded, preemptive kernel
Can you think of conditions that call for multiple firewalls on the similar network or similar network segment? Discuss why might you firewall off two or more connections into a subnetwork?
At present we have a huge problem with advertising corporations which are making profiles of people by collecting their information.
Computers and television would work is when you tape television demonstrate that can be used to give flavor to PowerPoint Presentations.
What file and file-field are read by the finger command and When a parent process dies, what happens to any child processes that are still running
Boardman Management Group manages Baderman Island resort. They are planning whether to upgrade the word processing software or to buy a new word processing software application.
Write a 2 page research paper (excluding title and reference pages) on streams and file I/O. Explain the concepts discussed in the textbook using at least an example not included in the textbook.
Discuss and explain a technology related ethical issue. Determine the issue and its possible outcomes? How can the issue be resolved?
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