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Question: Discuss and explain how the asymmetric encryption algorithm can be used to achieve the following targets:
[1] Authentication: the receiver knows that only the sender could have generated the message.[2] Secrecy: only the receiver can decrypt the message.[3] Authentication and secrecy: only the receiver can decrypt the message, and the receiver knows that only the sender could have generated the message.
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. What percentage of the memory's total operating time must be given to refreshes?
Implement a basic shell that restricts the runtime of processes executed from within it. Your shell will read input from the users and execute it as a new process, but if that program runs longer than it should, your shell will kill the process an..
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU.
Develop a user mode command interpreter which support list-short.
Specify the order in which processes execute and determine the mean process turnaround time for each of the scheduling algorithms.
Illustrate how many page faults are generated by following array-initialization loops, using LRU replacement, and assuming page frame 1 has process in it, and the other two are initially empty?
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
How many page faults are generated by the following arrayinitialization loops, using LRU replacement, and assuming page frame 1 has the process in it, and the other two are initially empty.
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.
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
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
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