Q&A Hero

Q: Which of the following is most closely associated with Moore's Law? (a) Every year or two, the price of computers has approximately doubled. (b) Object-oriented programming uses less memory than previous software-development methodologies. (c) Demand for communications bandwidth is decreasing dramatically each year. (d) Every year or two, the capacities of computers have approximately doubled without any increase in price.

Q: Computer programs are __________. (a) sequences of instructions (b) the information processed by the computer (c) the various devices (disks, memory, keyboard) that comprise a computer system (d) the people programming the computers

Q: Which of the following would not be considered hardware? (a) an operating system (b) a CPU (c) a keyboard (d) a disk

Q: Today's fastest computers are called __________. (a) mega computers (b) terminals (c) supercomputers (d) CPUs

Q: Which of the following is going to be the key programming methodology for the next decade? (a) object-oriented programming (b) structured programming (c) "legacy C code" (d) "live-code approach"

Q: Which of the following statements is true? (a) hardware controls software (b) software commands the computer to perform actions and make decisions (c) C is an object oriented programming language (d)Both (b) and (c)

Q: The ____ tool verifies that an entry passes the specified validation logic. a. RangeValidator b. RequiredFieldValidator c. CompareValidator d. CustomValidator

Q: The ____ tool verifies that a control contains data. a. RangeValidator b. RequiredFieldValidator c. CompareValidator d. CustomValidator

Q: The ____ section of the toolbox provides validator tools for validating the user input on a Web page. a. Validation b. SummaryValidation c. CustomValidation d. Summation

Q: The ____ extension on a filename indicates that the file contains Visual Basic code. a. .vb b. .bvs c. .vbs d. .vbsrc

Q: A(n) ____ Web page contains controls with which the user can interact. a. immutable b. dynamic c. static d. mutable

Q: You can use the ____ menu to close and also open an existing Web application. a. FILE b. EDIT c. TOOLS d. HELP

Q: The link button control's ____ property specifies the Web page to display when the control is clicked. a. PostBackUrl b. PostBack c. Link d. Page

Q: To add another Web page to an application: Click WEBSITE on the menu bar and then click ____. a. Add New Item b. Add New Page c. Add Item d. Add New

Q: Text that cannot be changed by the user is referred to as ____ text. a. dynamic b. stable c. static d. fixed

Q: ASP stands for "____" and refers to the type of Web page created by the ASP technology. a. active server program b. active service page c. active server page d. activate server page

Q: A ____ is a document whose purpose is merely to display information to the viewer. a. dynamic Web page b. stable Web page c. static Web page d. normal Web page

Q: The information is requested and subsequently viewed through the use of a program called a ____. a. Web server b. Web browser c. Web reader d. Web slave

Q: A ____ is a computer that uses a browser to request information from a Web server. a. server b. browser c. middle-man d. client computer

Q: A(n) ____ is a computer that contains special software that "serves up" Web pages in response to requests from client computers. a. FTP server b. Telnet server c. Web server d. HTML server

Q: The CompareValidator tool verifies that an entry passes the specified validation logic.

Q: The RegularExpressionValidator verifies that an entry matches a specific pattern.

Q: A dynamic Web page contains code that tells the controls how to respond to the user's actions.

Q: You can add an image to a Web page using the Picture tool in the toolbox.

Q: Although not identical to viewing in a browser window, full screen view provides a quick and easy way to verify the placement of controls and text on the Web page.

Q: To view a Web page in full screen view, you use the Open Screen option on the View menu.

Q: While you are designing a Web page, you can periodically view the page in full screen view to determine how it will appear to the user.

Q: You can use either the FORMAT menu or the Formatting toolbar to format the static text on a Web page.

Q: You can only add static text to a Web page using a label control.

Q: You can use the Properties window to include a title on a Web page.

Q: Only selected ASP pages contain Flash tags that tell the client's browser how to render the page on the computer screen.

Q: One advantage of static Web pages is that they are interactive.

Q: Currently, the two most popular browsers are Microsoft Internet Explorer and Mozilla Firefox.

Q: The Web consists of documents called Web pages that are stored on Web servers.

Q: After defining a class, you can use it to instantiate a maximum of one object.

Q: Constructors can be either Sub or Function procedures.

Q: A class can contain methods other than constructors.

Q: A class can have more than one default constructor.

Q: You can enter one or more instructions between the Set and End Set clauses.

Q: The Get block in a Property procedure contains the Set statement, which begins with the keyword Set and ends with the keywords End Set.

Q: When an application instantiates an object, only the Public members of the object's class are made available to the application.

Q: When naming the Private variables in a class, many programmers use the underscore as the first character and then use camel case for the remainder of the name.

Q: Pascal case means you capitalize the first letter in the name and the first letter in any subsequent words in the name.

Q: When you define a class using the Class statement, you are required to use Pascal case for class names.

Q: In addition to using Visual Basic classes, you also can define your own classes.

Q: A class itself is not an object; only an instance of a class is an object.

Q: The text boxes, labels, and buttons included in most Windows applications are objects.

Q: The first word in a method name should be a(n) ____. a. noun b. verb c. adjective d. adverb

Q: A class can have only one default ____. a. maker b. creator c. instantiate d. constructor

Q: A(n) ____ is a class method, a Sub procedure named New, that contains the instructions for initializing the class's Private variables. a. default constructor b. maker c. default creator d. instantiate

Q: The code in the ____ block of a Property procedure allows an application to assign a value to the Private variable associated with the property. a. Get b. SetProperty c. Set d. GetProperty

Q: The code contained in the ____ block of a Property procedure allows an application to retrieve the contents of the Private variable associated with the property. a. Get b. SetProperty c. Set d. GetProperty

Q: You create a Public property using a(n) ____ procedure. a. Attribute b. Property c. Set d. Get

Q: An application must use a ____ property to either assign data to or retrieve data from a Private variable in a class. a. Private b. Public c. Default d. Event

Q: Using OOP terminology, the Public members are "exposed" to the application, whereas the ____ members are "hidden" from the application. a. Private b. Public c. Global d. Class level

Q: You define a class using the ____ statement. a. Object b. ClassType c. Type as Class d. Class

Q: A class containsor, in OOP terms, it ____all of the attributes and behaviors of the object it instantiates. a. encapsulates b. exposes c. collapses d. implements

Q: ____ are the actions to which an object can respond. a. Actions b. Behaviors c. Events d. Instances

Q: ____ are the operations (actions) that the object is capable of performing. a. Instances b. Behaviors c. Events d. Methods

Q: Every object has ____, which are the characteristics that describe the object. a. properties b. attributes c. parts d. elements

Q: Every object used in an object-oriented program is created from a ____, which is a pattern that the computer uses to create the object. a. class b. basic type c. structure d. template

Q: The real advantage of object-oriented programming is the ability to reuse a classfor example, use it in a different way or in a different application.

Q: The ____ operator returns the smallest value in the group. a. Max b. Smallest c. Min d. Minimum

Q: The ____ operator returns the total of the values in the group. a. Total b. Sum c. Calc d. Add

Q: The LINQ ____ operator returns a single value from a group of values. a. collect b. collapse c. integrate d. aggregate

Q: The basic syntax for assigning a LINQ variable's contents to a BindingSource object is ____. a. DataSource.bindingSource = AsDataView.variableName b. DataSource.bindingSource = variableName.AsDataView c. bindingSource.DataSource = AsDataView.variableName d. bindingSource.DataSource = variableName.AsDataView

Q: The basic syntax to use the LINQ to select and arrange records in a data set is ____. a. Dim variableName = In dataset.table From elementName b. Dim variableName = From elementName In dataset.table c. Dim In dataset.table From elementName = variableName d. Dim From elementName In dataset.table = variableName

Q: In a query, the ____ clause is used to sort the records in either ascending (the default) or descending order by one or more fields. a. Order By b. Select c. From d. Where

Q: Similar to the condition in If"¦Then"¦Else and Do"¦Loop statements, the ____ clause specifies a requirement that must be met for a record to be selected. a. Select b. Where c. From d. Order By

Q: In a query, the ____ clause is used to specify the records you want to select in the dataset. a. Select b. From c. Where d. Order

Q: You can create a query in Visual Basic 2012 using a language feature called ____. a. Integrated Language Query b. Language Query c. Structured Language d. Language Integrated Query

Q: You use a(n) ____ to specify both the records to select in a dataset and the order in which to arrange the records. a. query b. question c. inquiry d. access

Q: The Total operator returns the sum of the values in the group.

Q: The only calculations that are performed using the LINQ aggregate methods are Average and Count.

Q: In addition to using LINQ to sort and select the records in a dataset, you also can use it to perform arithmetic calculations on the fields in the records.

Q: The LINQ statement merely selects the records but does not assign them to the records variable.

Q: If you are sorting records in ascending order, you need to include the keyword Ascending in the Order By clause.

Q: The following syntax selects all of the records in the dataset: Dim records = From employee In EmployeesDataSet.tblEmploy Select employee

Q: In a query, the Where and Order By clauses are optional parts of the syntax.

Q: The syntax for LINQ requires you to specify the variable's data type.