The readers-writer problem . Select one: A. allows multiple readers or writers to access the shared data at the same time. B. allow multiple readers to access the shared data unless a writer has already obtained permission to use the shared data. C. allows multiple writers to access the shared data unless a reader has already obtained permission to use the shared data. D. is basically the same as the producer-consumer problem.

Chloe is building a kiosk-based excel application. she wants to make some modifications to the screen elements in order to keep users from being distracted by parts of the application that are irrelevant to her application. she turns to henry for guidance as she knows he built a similar solution earlier this year.chloe has decided to hide the worksheet gridlines and the vertical scroll bar. what does henry tell her to use to do this? a) screen elements dialog boxb) display options dialog boxc) customization dialog boxd) excel options dialog box

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

While preforming before operation pmcs, you notice the front right tire appears slightly under-inflated. what is the proper action?