Functions that are called by threads must have a property known as thread safety. T OR F
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Functions that are called by threads must have a property known as thread safety. T OR F
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- C++A new video store in your neighborhood is about to open. However, it does not have a program to keep track of its videos and customers. The store managers want someone to write a program for their system so that the video store can operate. The program will require you to design 2 ADTs as described below: [1] VIDEO ADT Data Operations Video_ID (preferably int, auto-generated) Movie Title Genre Production Number of Copies Movie Image Filename [1] Insert a new video [2] Rent a video; that is, check out a video [3] Return a video, or check in, a video [4] Show the details of a particular video [5] Display all videos in the store [6] Check whether a particular video is in the store [2] CUSTOMER PARENT ADT Data Operations Customer_ID (preferably int, auto-generated) Name Address [1] Add Customer [2] Show the customer details [3] Print list of all customers [3] CUSTOMER-RENT CHILD ADT Customer_ID ( Video_ID (of all rented videos of a…PSC Oct 13 waynekizzo 7:20 X 2The C++ ___ operator returns dynamically allocated memory to the system for reuse. return remove detach delete
- C programming language Topic : Input/Output Program : Product list (product.c) Definition : The program reads a series of items form a file and displays the data in columns. The program obtains the file name from the command line. Each line of the file will have the following form: item, mm-dd-yyyy, price For example, suppose that the file contains the following lines: 123, 12.00, 12/25/2006 124, 18.30, 1/10/2020 Expected output: Item Unit Purchase Price Date 123 $ 12.00 12/25/2006 124 $ 18.30 1/10/2020A(n) ____ should be used to specify all the exception types when being handled by a single exception handler. list O tuple array O dictC# program in Visual Studio Code. The main application class must meet the following requirements Ask the user to enter their age If the age is between 1 and 100 (inclusive) print a message stating the age the user entered exit the program If the age is less than 1 or greater than 100 generate an ArgumentOutOfRangeException print the exception information print an error message If the value is not an integer handle the FormatException print the exception information print an error message Continue asking the user to enter their age until a valid age is entered
- C++ A special type of situation, called a controlled break, can occur when processing records of data must temporarily pause because a key value has changed. For example, a control break might occur in a report that contains subtotals for groupings of records. This program requires such a procedure. Sales people at a local car dealership are paid by commission. For every car sale, a sales person earns 30% of the base price or $100, whichever is higher. Write a program that uses of a loop to read through and process records in a file. Whenever the program encounters a new employee id, it should pause processing long enough to display the total of the previous employee’s commissions before processing the record just read. After all records have been processed, the program should display a count of the records processed, the total sales, and the total commissions paid out. A sample output follows: WEEKLY SALES REPORT Employee Retail…C Program: Write a program that: As its input arguments, accepts a program name followed by any number of command line arguments for that program. Creates a child process that executes the given program, passing all the provided arguments to it. Once the execution of the child process finishes, the parent process receives the child process exit code (X) and prints Exit code was X to the standard error device. If you run ./myexec echo this is just a test, it should produce "this is just a test" on the standard output and "Exit code was 0" on the standard error device. Please show the output as well and make sure there is no errors in the C program codeT2 read_item (X); read_item (Y); Z = Y - X write_item (Z); T1 read_item (X); read_item (Y); Y = Y + X write_item (Y); Suppose: TS(T1) = 3 TS(T2) Using Basic Timestamp Ordering to show the execute T1 and T2
- Process Scheduling: Select all statements below that are true The CPU burst is the amount of time a process obtains the services of a processor as a whole. Arbitration becomes necessary when two processes with equal priority are to be scheduled. Since resource sharing is the main focus of multi-programming, it essential to allow the scheduler to remove (pre-empt) processes from the CPU in response to changing circumstances. 0 When preemptive scheduling is applied, a process is allocated the CPU until it releases it again. The service time is also known as the turnaround time. The short-term scheduler selects which of the ready, in-memory processes is to be executed next.Why should an exception be thrown throughout the process?Semaphores: Select all of the following statements that are true. The operations P (Test) and V (Signal) can be interrupted. The operations P (Test) and V (Signal) run in the operating system's user mode. The values of binary semaphores are restricted to 0 and 1. Counting semaphores are used to manage limited resources and the corresponding access to them. Semaphores can be used to synchronize certain operations between processes. When accessing the list of a semaphore, the FIFO principle should be preferred to the LIFO principle.