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1. Given a virtual machine design where guest operating systems run as independent virtual machines supported by a host operating system. Detail the considerations that are involved in selecting a target operating system to serve as a potential host for the design and implementation of a virtual machine monitor that would support a specific guest operating system.
3. The X25-Demoulator machine has been upgraded to modern computer architectural standards. Additionally, the X25 OS supports pre-emptive multitasking and a one-to-one relationship between user-level threads and kernel-level threads which allows one or more threads from a process to issue blocking system calls while other threads (within that process) continue to run. Explain with design detail how the X25 kernel may provide for a user-level thread implementation?
3. Is operating system reliability and protection enhanced with the microkernel approach to system design? Provide detailed support for your answer including design and implementation points.
Write a brief description about the following system calls used in Unix/Linux. Include information such as parameters, resources used, expected results/return values, and possible error conditions.
Assume that a computer using a set associative cache has 2^16 words of main memory and a cache of thirty-two blocks, where each cache block contains eight words.
In the BitTorrent P2P file distribution protocol, the seed breaks the file into blocks, and the peers redistribute the blocks to each other.
Assuming the following memory accesses on a Direct Mapped cache unit which is defined by a 2-bit offset, index, and tag. Determine the number of hits and misses for the following sequence of memory addresses: 27, 15, 60, 43, 11, 48, 54, 15, 43, 22
Explain the techniques that will be used to monitor implementation of the electronic medical record.
Design a dedicated microprocessor for inputting multiple 8-bit unsigned numbers until a zero is entered. Then output the number of numbers entered. First design the datapath and write the control words for it. Clearly label all control signals. Th..
Discuss the steps and sub steps required to start an e-business. Assume the Idea is already approved and the viability is already established through e-business plan.
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.
Qqueue for service (if the server process is busy servicing another request). Requests in queue are served according to the scheduling policy in use: First-In-First-Out (FIFO) scheduling.
Remembering that there's a trade-off between memory use. Then give an example where doing so will cause throughput to suffer.
Following, a byte addressable main memory of 2^16 bytes and block size of eight bytes, using direct mapped cache consisting of thirty-two lines.
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?
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