ARIES supports ___________ operations, which are physical in that the affected page is physically identified, but can be logical within the page. a. Physiological redo b. Physiological undo c. Logical redo d. Logical undo
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ARIES supports ___________ operations, which are physical in that the affected page is physically identified, but can be logical within the page. a. Physiological redo b. Physiological undo c. Logical redo d. Logical undo
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- Scenario: You have been tasked with building a URL file validator for a web crawler. A web crawler is an application that fetches a web page, extracts the URLs present in that page, and then recursively fetches new pages using the extracted URLs. The end goal of a web crawler is to collect text data, images, or other resources present in order to validate resource URLs or hyperlinks on a page. URL validators can be useful to validate if the extracted URL is a valid resource to fetch. In this scenario, you will build a URL validator that checks for supported protocols and file types.Create a webpage A2-Task2.html. The webpage is displaying one image. Each time the user clicks the image, the image is changed to another one and one more 'globe' emoji is displayed under the image. When the number of 'globes' reaches five (5), all 'globes' are deleted (reset) and start to be displayed again. For example, the 6th time user clicks the image, one 'globe' is shown, the 7th time - two 'globes', and so on. Note: - You should use two images. Each time the user clicks on the image, the image is changing. If an image of "Seaside" is displayed it will change to "Mountain view", and opposite, if an image of "Mountain view" is displayed it will change to "Seaside". - The special character code for the 'globe' is "🌏".Write the HTML, CSS, and JS to implement a very primitive spreadsheet program that meets the following requirements: The page shall appear similar to this: A B Rent 400 Food 200 Entertainment 100 Transportation 50 Total 750 The values in column B (except for the Total) shall be editable by the user. Whenever the user changes a value in column B, the Total shall be automatically recalculated.
- choose the correct answer An application requires to maintain the history of past events. the best data structure is: a. Linked List with History b. Queue c. Stack d. Linked List An application requires frequent insertion and deletion of data. The data to be inserted is large. Which data structure you will choose? a. Array b. Stack c. Linked List d. queue An application requires strict ordering of jobs to be processed on a first-come-first-served basis. Which data structure you will choose? inked List b. Double Linked List c. Stack d. Queue Consider a linked List with just one node. The first node in the list is referred by 'head'. Now, if we execute the code: head=head.next What will happen? a. Another 'head' is assigned to the first node b. head points to the last node which is not null c. head points to the next node which is not null d. We lose the…Course Title : Operating SystemQuestion : How you will create new user using terminal in Ubuntu? Add screenshots of all steps for new user creation including terminal and Login page in Answer sheet. Every student has to create new user as of his/her arid number for example (18-arid-2929). Note: screenshots are mandatory.Create a javascript file and use it as script for the products.html page. In the script, create an empty array to store the items added to the cart. Create a products array and create a product object for each of your products from products.html and store it in the products array when the script loads. The script should have the following functions: Add - Takes an id, finds the product object in the products array and adds it to the items purchased array. Remove - Takes an id and removes the corresponding object from the items purchased array. Returns html for displaying the items in the cart. Existing code: products.html <!DOCTYPE html><html> <head><title>Products</title></head> <body><div><div><a href="Checkout.html"><span style="float:right"><p>(<span>0</span>) Cart</p></span></a></div><div class="product"><img src="img/clorox.jpg"><p class="price">Price:…
- In PHP, $_SESSION is a predefined array that is used to: 1- Store the request data coming from web browser automatically. 2- Store data that can be used in the other pages until the user logs out from the website. 3- Store data temporarily until the fulfilment of the request. 4- Store data permanently in the Web Server.using C language Write a program that creates an array of size 10000, then creates two threads.should requests entrance to the critical section that is controlled through semaphores, reads the values written in the array, and writes it to the screen with the following format: "Consumer consumed item number - from position - with the value -" And to a file named Consumer activity, then exits the critical section, and repeats till the producer finishes production***Please Answer with code*** Your goal is to create a PHP driven website for selling Computer Science textbooks. Your site MUST include the following: 1. An Index page which includes menus for different subjects (Networking, programming, security). 2. Each subject page must allow the user to select and order more than one book at a time. When the user has selected the book, they should be requested to enter their student id number to reserve the book. They can also select a check box, which "charges their account on file" for the book. This also allows them to have curb side pickup. If the user does not check the box, the site will let them know the book will be on reserve for them to pick up for the next 24 hours. Once the time expires the book will be returend to the shelve. 3. All information entered by the user must be verified. Check for: correct type (numbers/strings), missing information, invalid format (such as invalid student id format). An error message must display allowing…
- P1). Create ASP.NET Core MVC C# web application with Home controller and implement the following features: 1) In the Home controller, Index method must return “Home” as a content to the browser 2) Add Aboutus action method to the home controller. It must return “About Us” as a content to the browser 3) Add Buyitem action method to the home controller. It must accept ID parameter of string data type. In that method, check if ID parameter is supplied and output the message “ID not supplied”, or “ID supplied:” and ID value. 4) Add Futurevalue action method to the home controller. It must accept three parameters: int years, int rate = 8, decimal investment = 1000 As shown above, default values for rate and investment must be 8 and 1000 respectively. Futurevalue action method must calculate a simple future value of investment. Here is an example code of calculation that you can use: decimal futureValue = investment; for (int i = 0; i < years; i++) { futureValue += (futureValue *…Based on the below code do the following tasks: EntryScreenshould be adjusted so that the when the option ‘B’ is selected from the main menu, the screen isupdated to show a bus management menu. If the option to add a bus is selected, the screen shoulddisplay options for the type of menu to be shown. The entry screens should allow the subclasses ofclass bus to be populated. Figure 3 provides an example of the expected display. look at image uploaded import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class EntryScreen { public EntryScreen() {} public ArrayList<Planner> managePlanners(Scanner scan,ArrayList<Planner> plans, Ministry mny, ArrayList<Bus> buses) throws NumberFormatException { ReportScreen r = new ReportScreen(); char mchoice = 'c'; String menu=""; while (mchoice!='X') { String menuOptions = "[A]dd/Create planner\n[E]dit/Update planner\n";…using C language Write a program that creates an array of length 10, then creates 8 threads. should request entrance to their critical sections that is controlled through semaphores, read the values written in the array, and write it to the screen with the following format: "Consumer number - consumed item number-with the value-" And to a file named "Consumer activity", then exit the critical section, and repeat till the producers stop production. The total number of elements generated by the producer and consumed by the consumers should be 10,000,000 number