Understand the actual allocation of the element of Linked List in main memory. ○ a. It doesn't need to continuously allocation but it needs to follow up the sequence of the logical view in the list. O b. It is continuously allocation for each element of this linked list. O c. It doesn't need to allocate continuously for each element and they don't follw the original sequence in logical view. Od. It is like array structure but use extra byte for saving an arrow

Understand the actual allocation of the element of Linked List in main memory. ○ a. It doesn't need to continuously allocation but it needs to follow up the sequence of the logical view in the list. O b. It is continuously allocation for each element of this linked list. O c. It doesn't need to allocate continuously for each element and they don't follw the original sequence in logical view. Od. It is like array structure but use extra byte for saving an arrow

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter3: Data Representation

Section: Chapter Questions

Problem 13RQ: How is an array stored in main memory? How is a linked list stored in main memory? What are their...

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you are to design a printer queue that is responsible for handling the printing requests coming from different users. You have to take into consideration that users have different levels of priorities. Each user has an identification number and a password, in addition to printing priorities. One good idea is to design the queue using an array or pointers while preserving the first-in first-out concept of the queue. For every printing request received, the program should check the priorities of that request and whether it can be moved forward in the queue to be served by the printer prior to serving the other requests. Using the programming language of your choice (preferably C++), write the printer queue that would handle the user request. The program must allow for requests coming from different users or from one user. Note: I need a working C++ code for this problem, and i need priorities.
How is an array stored in main memory? How is a linked list stored in main memory? What are their comparative advantages and disadvantages? Give examples of data that would be best stored as an array and as a linked list.
Someone tries to fix the stack based buffer overflow problem as follows, is it secure now? why? Are there any other issues within the function's implementation below? Explain your reasoning. int bof(char *str, int size) { char *buffer = (char *) malloc(size); strcpy(buffer, str); return 1; }
Implement the three self-organizing list heuristics: Count – Whenever a record is accessed it may move toward the front of the list if its number of accesses becomes greater than the record(s) in front of it. Move-to-front – Whenever a record is accessed it is moved to the front of the list. This heuristic only works well with linked-lists; because, in arrays the cost of shifting all the records down one spot every time you move a record to the front is too expensive. Transpose – whenever the record is accessed swap it with the record immediately in front of it. Compare the cost of each heuristic by keeping track of the number of compares required when searching the list. Additional Instructions Use the SelfOrderedListADT abstract data type and the linked-list files I have provided to implement your self-ordered lists. You may incorporate the author’s linked list implementation via inheritance or composition, which ever makes the most sense to you (I will not evaluate that aspect of…
In its current iteration, does this backing representation, which is just a two-dimensional singly linked list, have any advantages or disadvantages? Explain with regard to the implementation, performance, and the utilisation of memory in general, as well as in contrast to a two-dimensional dynamic sequence implementation that makes use of two dimensions and is based on a linked list.
Write a c++ code that compare the times to traverse a list (containing a large number of elements) implemented in an array, in a simple linked list, and in an unrolled linked list. In this experiment, you need to generate a large list, store it in each representation, and then measure the time to traverse the list in each representation. For the array, this is almost straightforward: Fill the array and then do a sequential scan. Here is the thing to watch for: When you fill the array, it all gets read into cache. So, somehow you need to ensure that almost all of the array is NOT in cache before you do your traversal. One thing you can do is make your array big enough that most of it will not fit in cache at once. You need to make sure that the node capacity is not too small, or it will behave too much like a simple linked list.
Someone tries to fix the stack based buffer overflow problem as follows, is it secure now? why?why not? Are there any other issues within the function's implementation below? Please explain your reasoning. int bof(char *str, int size) { char *buffer = (char *) malloc(size); strcpy(buffer, str); return 1; }
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I'm having a hard time seeing the problem with this buffer overflow problem can someone please elaborate if its secure or not, and if there are any other issues with the implementation in the problem? Someone tries to fix the stack based buffer overflow problem as follows, is it secure now? why? Are there any other issues within the function's implementation below? Explain your reasoning. int bof(char *str, int size) { char *buffer = (char *) malloc(size); strcpy(buffer, str); return 1; }
I need to design, analyze, and implement algorithms to read in a sequence of characters from standard input and maintain the characters in a linked list with no duplicates. When read in a previously unseen character, insert it at the front of the list. When read in a duplicate character, delete it from the list and reinsert it at the beginning. The program implements the well-known move-to-front strategy which is useful for caching, data compression, and many other applications where items that have been recently accessed are more likely to be re-accessed. The program should read a sequence of characters and should insert unseen character at the front of the list. The program should check if the character is not in the list to be inserted at the front of the list. The program should delete a duplicate character and delete it from the list and insert it at the beginning of the list. The program should check if the character is already in the list and delete the character from the list…
What description to Array and Linked List is mistake ? a. Using Linked list, if there is a existed data will be removed, it needs only to move the links of data node and doesn't need to change the location of data saved. b. Using Linked list, if there is a new data will be increased, it needs only to move the links of data node and doesn't need to change the location of data saved. c. If the size of main memory is enough, there is no upper bound limitation to increase new data when Linked list is used. d. For limited number of data, Array is allocated less memory size, because all sequential data are allocated into continuously space e. Using Array, if there is a new data will be increased, it needs to move some existed data to new location to free the suitable location new data because the sequential order should be kept. f. If the size of main memory is enough, there is no upper bound limitation to increase new data when Array is used. g. The operations on Array is…
In a 2- to 3-page paper, you will build on the material given in the course to answer the following questions: What is the difference between a single and doubly linked list? When might a singly-linked list be preferable than a doubly-linked list? When might a doubly-linked list be preferable than a singly-linked list? How many nodes will be visited during a search for a node that is in a linked list with N nodes? Describe the best- and worst-case scenarios for a search. Explain why a singly-linked list has the RemoveAfter() function while a doubly-linked list has the Remove() function. Is it possible to create a RemoveAfter() method for a doubly-linked list as well? Explain why you think that is or why you don't think that is. Is it possible to create a Remove() method for a singly-linked list as well? Explain why you think that is or why you don't think that is. Format your work according to the APA standards for the course you're in.