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Q1) What is thr race condition in this protocol?
1-insert debit card into debit machine 2-debitcard machine determine current value of card in dollars which is stored in value x 3-user insert dollars into debit card machine ,and the value of inserted dollars vstored in value y 4-user press enter 5- machine write value x+y
where is race condition? how an attack might exploite it? how to modify this protocol to prevent or make race condition difficult.
The purpose of this program is to change such that it makes use of the IPC facilities provided by UNIX.
Research paper discussing the issues with Trusted Platform Module (TPM)
CPU with interrupt-driven I/O is busy servicing disk request. While CPU is midway through the disk-service routine, another I/O interrupt occurs. What occurs next?
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..
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What are the three different categories of command, support your answer by giving three examples. Give three good reasons, with valid explanation, to justify why partitioning hard disk provides a variety of advantages. Explain the client/server..
Give three technical merits of UNIX b) Differentiate between "clustered systems" and "real-time systems". c) Describe the purpose of using "trust relationship"
Define Critical Path and CPM. Define Networks & Network scheduling
Use the semaphore methods to control the concurrency of the solution
The Shortest Job Next (SJN) algorithm queues processes in a way that the ones that use the shortest CPU cycle will be selected for running rst.
Give a solution using Monitor that is starvation-free. What would be value of semaphore before entering into Critical Section and after leaving it.
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