INF2611 Assignment 1 2024 memo

INF2611 Assignment 1 2024 memoINF2611 Assignment 1 MCQ Crystal Indigo! Providing all solutions you need anytime NOTE: Questions may be numbered differently Question 1 Which one of the following statements is correct about size constraint settings on widgets? 1. If the maximumSize property is set for a list widget, and the window size is increased, the list widget increases in size. 2. If the maximumSize property is set for a list widget, and the window size is decreased, the list widget decreases in size. 3. If the maximumSize property is set for a list widget, and the window size is decreased, the list widget size does not change. 4. If the maximumSize property is set for a list widget, and the window size is decreased, the list widget increases in size. Question 2 Which of the following functions converts the argument passed, into an integer type? len() str() int() round() Question 3 Which of the following functions returns the number of characters in a string? len() str() int() round()Question 4 A form includes a checkbox that is not checked, a listbox and a pushbutton widget. The pushbutton is clicked twice in the form. The code is executed. The following is added to the list: ________. Syntax Error: "Not checked Not checked" "Checked" "Not checked" Question 5 The abbreviation GUI stands for _____ Graphical User Interface General User Interface Graphical Usage Interaction Graphical User Interchange Question 6 Choose the best option. MDI applications are made up of : a main window, menubar, toolbar, central space only a main window and a central space. only a main window and a toolbar. only a central space. Question 7 Which one of the following statements is NOT correct? PyQt supports Unix, Mac OS, Linux and Windows. PyQt is a GUI widgets toolkit. PyQt is not dependent on the Qt libraries to run. PyQT API is a large collection of classes and methods. Question 8 A form includes a checkbox that is checked, a listbox and a pushbutton widget. The PushButton on the form is clicked three times. The following is added to the list: "Checked" Syntax Error: "Not checked" "Checked Checked Checked" Question 9 Which of the following widgets is NOT an example of a Model Bases Item View? Table View (QTableView) Column View (QColumnView) List Widget (QListWidget) Tree View (QTreeViewGeneral User Interaction)Question 10 The Default data type in a Line Edit Widget is: integer string Boolean Double Question 11 Calculate the amount of tax payable on a salary based on a RadioButton selection. Select the line of code that should be inserted into B. to determine what tax percentage to apply: def calctax (self) #convert the salary value in lineEdit_salary to numeric A. _____________________ #test which tax percentage to use B. ______________________ tax = salary * 0.1 else: tax=salary * 0.2 #display tax amount in lineEdit_tax C. ___________________________________ 1. if Button_10p_Checked(): 2. if Button_10p_Selected(): 3. if radioButton_10p_Checked(): 4. if Button_10p_Dot(): Question 12 The GUI application allows user to enter text and replace an item in a list with the text as shown in the screens. Which of the following lines of code is required at #YOUR CODE HERE to complete the function? def changelist(self): newtext = EditC() row=WidgetEntRow() WidgetEtem(WidgetEntRow()) ##YOUR CODE ______________ 1. WidgetEtItem(row,newtext) 2. WidgetEItem(row,newtext) 3. WidgetEtItem(row,QListWidgetItem(newtext)) 4. WidgetEItem(row,QListWidgetItem(newtext)) Question 13 User login dialogs are common in applications. The user first provides a correct username and password, and then is able to use the application. This is an example of ___ modal dialog multiple document interface single document interface modeless dialogQuestion 14 You need to display a list of options to a user, from which the user should be able to select more than one option. You will use widgets from the ______________ class. QInputDialog QRadioButton QListWidgetItem QCheckBox Question 15 PyQt is used to ______ develop graphical user interfaces for Python programs. develop command line code in Python. write if statements in Python. write loop statements in Python.