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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)
Simulation of Elevator and Shortest Seek Time First
In different communications models, communication may take place using either "message passing" or "shared memory". Distinguish between "message passing" and "shared memory", illustrating your answer with a diagram Give three advantages of virt..
The premise of Project 2 is to create your own shell. Your shell will be launchable from a terminal window and act similar to the existing shell.
What is the main advantage of multiprogramming How does the distinction between the monitor mode and user mode function as a rudimentary form of protection (security) system What is the difference between a trap and an interrupt? What is the u..
The purpose of this program is to change such that it makes use of the IPC facilities provided by UNIX.
Computer has 16 pages of virtual address space but only three physical pages frames. Initially physical memory is empty. Program references virtual pages in order 1,2,3,4,5,3,4,1,6,7,8,7,8,9,7,8,9,5,4,5,4,2 Which references a page fault with LRU ..
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.
What (if any) relation holds between the following pairs of sets of algorithms (a) Priority and SJF (b) Multilevel feedback queues and FCFS
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
Develop a user mode command interpreter which support list-short.
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
Formulate the linear programming model for this problem Plot a graph indicating and labelling clearly all the constraints, the feasible region (R) and the optimal point (X)
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