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List and describe four functions of an operating system. Provide examples of operating systems, and explain the difference between system software and applications software?
What basic PC maintenance or software do you consider to be important for your pc? please list and describe three maintenance tasks or software and why they are important.
Now that you've implemented the OS/161 system calls, let's improve their performance. Might as well start with getpid(), since it's simple. First, brie?y explain the overhead of performing a
A system consists of a CPU, cache memory, main store, and hard disk drive. Where are time and effort best spent improving the system's performance? What factors affect your answer?
Perform the installation of Windows 7 and Ubunto Linux. How does the installation process differ for each operating system? Discuss the pre-installation steps and minimum hardware requirements for eac
Most operating systems include a logging and auditing facility. To set the security auditing policies in Windows, navigate to Windows: Administrative Tools> Local Security Policy> Local Policies
Both disks and main memory support direct access to any desired location (page). On average, main memory accesses are faster, of course. What is the other important difference (from the perspective of
One-to-one relationship between user-level threads, Given an operating system that supports a one – to –one relationship between user-level threads and kernel – level threads and allows one or more t
What is meant by thrashing, explain the cause of it? Describe working set model. Describe in detail about LINUX Proc file system.
Distinguish between Short term, long term and medium term schedulers.
What do you mean by busy waiting? Describe. Can busy waiting be avoided altogether? Describe involuntary CPU sharing in detail.
Describe the significance of language-based protection system. Explain compiler based enforcement beneath language based protection scheme.
Determine the page faults which would take place for the given replacement algorithms, supposing five frames? Keep in mind all frames are initially empty, first unique pages will all cost one fault
Describe the waiting time of each process for each of the scheduling algorithms in Part (1)?
Describe the role of critical regions in the process synchronization. Describe the solution of dining-philosopher problem by utilizing monitors.
Describe the symmetric multiprocessing architecture. Explain the differences between the symmetric and asymmetric multi-processing.
What do you mean by encryption? In brief describe the different encryption methods for data security.
Describe the benefits of language based Protection approach in the operating system.
Describe the number of page fault which occur for FIFO page replacement algorithm supposing 4 frames?
What do you mean by swapping in the memory management? Explain why address binding is used in the swapping?
Illustrate the difference among the dead lock avoidance, prevention and detection?
Explain how special hardware instructions are helpful in solving the critical section problem in the multiprocessor environment?
In brief describe the criteria for CPU scheduling. Distinguish preemptive and non-preemptive scheduling. Also describe the dispatcher?
Illustrate the meaning of Layered approach of Operating system structure? Write down an illustration where it is implemented.
Describe the five main activities of an operating system in regard to the process management.