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Answer each of the following questions in a complete, well thought-out paragraph or two. (each answer is worth 20 points.)
1. What does fragmented mean in reference to hard drives, and what, if anything, should be done to prevent it.
2. Describe the general path data takes in an application from user input to the computer hardware.
3. Explain why selecting a file system for the hard drive is very important when installing and using windows NT.
Part B: Answer each of the following questions in two or three sentences. (each answer is worth four points.)
1. Briefly define ActiveX and COM, and explain their importance to the Windows 9x/ME GUI. 2. Why does the Mac OS family handle graphics and graphical applications so well. 3. Explain how imaging is used on a Windows 2000 machine. 4. Define and describe briefly the term malware. 5. Describe what tuning means, and briefly explain some simple ways a technician can "tune" a system. 6. Briefly explain the importance of multitasking in Windows. 7. Describe the difference between workgroup and an NT domain. 8. What does "WHQL stand for, and why should a PC repair technician be familiar with the concept? 9. Explain what tools a Mac technician is most likely to use for troubleshooting and how they might differ from a Windows technician's tools. 10. Explain the difference between backing up the system state ( Windows 2000) and setting a system restore point (Windows XP)
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
n a competitive market place (pure competition) is it possible to continually sell your product at a price above the average cost of production.
Formulate the above in terms of a Linear Programming problem Solve this linear program graphically. Determine the quantity of each type of toaster that will maximise the maximum profit
Explain a complication that concurrent processing adds to an operating system.
Virtual machines supported by a host operating system
What is the difference between a safe state and an unsafe state in a deadlock-avoidance system?
Define Critical Path and CPM. Define Networks & Network scheduling
Assume that word 0 is part of a hole and that the highest word in memory contains valid tries are needed in the page table if traditional(one-level) paging is used? how many page table entries are needed for two-level paging, with 10 bits in ea..
What is minimum number of page faults for the optimal page replacement strategy? Please show how the page is placed and how page faults occur.
Using the internet as a source, compile a list of three known vulnerabilities for SQL Server on Windows operating systems and three vulnerabilities for Oracle on Unix.
Discuss an application that would benefit from the use of barrier synchronization
Discuss challenges that handheld devices provide for computer forensics. Compare the forensic tools for UNIX environments (e.g, the Sleuth and TCT) with tools for Windows environments
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