Q&A Hero

Management

Q: The ________ element can provide both the input and output of numeric or string values.
Q: Cross-element references require the ________.
Q: The value ________ of an input element with button type provides the label on the button.
Q: Setting the initial values for the variables in a program is called ________.
Q: In JavaScript program, a(n) ________ attribute tells the browser how to respond to an event like onclick.
Q: A programming style that responds to events, such as mouse clicks, is known as ________ programming.
Q: A(n) ________ is an indication from the computer (operating system) that something just happened (such as a mouse click).
Q: ________ tags must surround all of the input elements.
Q: Buttons and checkboxes are known as ________ of forms.
Q: The first step in programming is to create a(n) ________.
Q: Consider <button onclick='ounce=8'> S </button> A) This will set both onclick and ounce to 8. B) The first equal sign is some HTML, the second is some JavaScript. C) This is an error: <button> does not use a closing tag. D) This is an error: only one = is allowed.
Q: An advantage of the <button > tag over <input type="button" > is that A) it allows control over the displayed size. B) it supports the onclick event, which input does not. C) the button can contain any HTML, including an image. D) only one input button is allowed in any HTML form.
Q: When a button is clicked in a form: A) a click event is generated B) the form closes C) the form is erased D) a dialog box is displayed
Q: The program that performs a task to respond to an event is an: A) input processor B) input handler C) error handler D) event handler
Q: To reference a variable in another element, you must use a: A) local variable B) global variable C) dot operator D) none of the above
Q: Data values can be referenced: A) as variables local to a handler B) as variables global to a handler C) as a variable in another element D) all of the above
Q: Constructing a table "inside out" in HTML using copy and paste begins with the: A) <table> and </table> tags B) <tr> and </tr> tags C) <td> and </td> tags D) <body> and </body> tags
Q: In JavaScript, output displayed in a popup box can be produced using the: A) printout command B) alert command C) lprint command D) all of the above
Q: Used within the <input"¦/> tag, buttons, text boxes, and checkboxes are examples of: A) input types B) button values C) event types D) none of the above
Q: A grid of rows and columns can be created using the: A) <table> tag B) <grid> tag C) <row> and <column> tags D) none of the above
Q: A good application to build an HTML Web page is: A) Word B) AppleWorks C) Google Chrome D) Notepad++
Q: Event handlers are limited to a single JavaScript statement.
Q: The browser records all of the information about a Web page, e.g., forms, images, and other elements, in a data structure for the Web page called the Document Object Model (DOM).
Q: A Web page can have only one form.
Q: Script tags are not needed for event handlers.
Q: Creating the buttons that are needed for a program is called initialization.
Q: In programming, equality comparisons between strings are not case sensitive.
Q: JavaScript is an event-based programming language.
Q: JavaScript is added between script tags.
Q: The best way to develop a program is to just write code and modify it as needed.
Q: The <hr/> tag is used to display a horizontal line.
Q: The variables of The Bean Counter JavaScript program are declared right before the <body> tag and inside <script> tags.
Q: JavaScript is designed for Web applications.
Q: ________ is the relational operator symbol for "equal to".
Q: The assignment symbol in JavaScript is ________.
Q: Different kinds of values for variables are called ________.
Q: The angle brackets (< >) used to describe the syntax of a programming command are called ________.
Q: The word ________ is the JavaScript declaration command used to create a variable.
Q: In programming, a(n) ________ is used to change the value of a variable.
Q: ________ is a relatively new programming language used for Web applications.
Q: In JavaScript, the + sign represents A) addition B) string concatenation C) either addition or string concatenation, depending on the types of the values it is used with D) none of the above
Q: String constants or string literals: A) are stored in memory with the surrounding quotes or double quotes B) are surrounded by quotes in JavaScript code C) can't include a tab character D) all of the above
Q: In JavaScript, an empty string: A) contains a single space enclosed in double quotes B) is not valid C) is the same as an undefined value D) is written as ""
Q: That last thing in an if statement is A) the word end B) a semicolon (;) C) a right curly brace (}) D) either a semicolon (;) or a right curly brace (})
Q: In JavaScript, 17%5 is: A) the name of a variable B) 2 C) 3 D) the same as 17/5
Q: The value used for each variable on the right side of an assignment statement is: A) the value before the assigned variable is changed B) the value after the the assigned variable is changed C) can be updated before the newly_computed_value is assigned to the variable_receiving_new_value D) none of the above
Q: Which of the following is not a suitable assignment statement? A) wages = hours * rate B) length * width = area C) class = "College Algebra" D) score = 92.8
Q:
Q: Which of the following is a valid JavaScript variable name? A) 0123 B) 37AB C) BR549 D) Tax Rate
Q: From language to language, generally an identifier: A) can be made up of only letters B) cannot contain numbers, spaces, or lowercase letters C) starts with a letter and is followed by letters, numerals, or the underscore D) starts with two digits followed by letters or numbers
Q: Programming languages are most helpful to programmers because they: A) are precise B) are very close to English C) allow for only a single possible solution for a problem D) automate the process of writing a program
Q: The statement x = x + 1; makes no sense, since x cannot equal x + 1.
Q: When three statements, when wrapped inside a pair of curly brackets, suddenly becomes one statement.
Q: When defining a variable you must also initialize it.
Q: Adele Koss, one of the first professional programmers, stressed that one of the most challenging aspects of writing a program is devising an elegant solution.
Q: When the <Boolean expression> of an if/else statement is false, the <else-statement> of the expression is executed.
Q: The closing curly brace of a compound statement does not end with a semicolon.
Q: The <then-statement> of an if statement only executes when the predicate is true.
Q: The outcome of a relational expression is always true or false.
Q: Relational operators cannot be used on strings.
Q: The flow of an assignment is always right to left.
Q: A Boolean value can be either true or false.
Q: In JavaScript, strings must be enclosed by single (') or double (") quotes.
Q: The statement terminator in JavaScript is the colon (:).
Q: A JavaScript variable cannot be initialized in the same statement in which it is declared.
Q: In JavaScript, variables must be declared at the top of the program.
Q: The letter sequence that makes up a variable name is called a label.
Q: In programming, names for values are called variables.
Q: ________ are memory locations in the computer.
Q: ________ is the act of formulating an algorithm or program.
Q: The letter sequence that makes up a variable's name is called the ________.
Q: A ________ value is a sequence of keyboard characters.
Q: ________ is the logical OR operator in JavaScript.
Q: ________ is the logical AND operator in JavaScript.
Q: ________ databases can record irregular data that relational databases cannot.
Q: Data needs ________.
Q: By placing a tag attribute reference in ________ in the XSL code, we cause the tag attribute's value from the XML to be placed inside the quotes specifying the file source name.
Q: The <xsl:apply-templates/> tag in the XSL specification file is a stand-alone tag that means "now ________ whatever is inside this tag."
Q: An .xsl file contains a series of rules called ________ that are used to format the information enclosed in XML tags.
Q: A(n) ________ description converts XML data into HTML so that it can be displayed on the screen using a browser.
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