BIS 311 DeVry Week 2 Quiz
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<strong>BIS</strong> <strong>311</strong> <strong>DeVry</strong> <strong>Week</strong> 2 <strong>Quiz</strong><br />
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<strong>BIS</strong> <strong>311</strong> <strong>DeVry</strong> <strong>Week</strong> 2 <strong>Quiz</strong><br />
<strong>BIS</strong><strong>311</strong><br />
<strong>BIS</strong> <strong>311</strong> <strong>DeVry</strong> <strong>Week</strong> 2 <strong>Quiz</strong><br />
Question 1.1. (TCO 3) Every variable has a _____, name, scope, and lifetime. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
property<br />
data type<br />
dimension<br />
parameter list<br />
Question 2.2. (TCO 3) The data type of a variable determines _____. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
the identifier used to refer to the variable in the code<br />
the part of the code in which the variable can be used<br />
the time when the variable is created and destroyed<br />
the category of data the variable can store<br />
Question 3.3. (TCO 3) A variable that can hold only a single Unicode character has a data type of _____. (Points<br />
: 1)<br />
o<br />
o<br />
o<br />
o<br />
String<br />
Short<br />
Single<br />
Char<br />
Question 4.4. (TCO 3) To avoid rounding errors in financial calculations, the best data type to use for money<br />
amounts is _____. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
Single<br />
Double<br />
Decimal<br />
Long<br />
Question 5.5. (TCO 3) It is best to avoid the Object data type unless absolutely necessary because _____. (Points<br />
: 1)<br />
o<br />
o<br />
o<br />
o<br />
it is not supported by all versions of Visual Basic<br />
your application may not work in future versions of Windows<br />
it can cause an application to run more slowly<br />
only numeric values can be stored in Object variables
Question 6.6. (TCO 3) In Hungarian notation, variable names begin with a three-character prefix that indicates<br />
_____. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
whether the variable is an input or an output<br />
the initials of the programmer<br />
the variable’s scope<br />
the variable’s data type<br />
Question 7.7. (TCO 3) When a variable name is written in camel case, upper-case letters _____. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
are not used<br />
are used for the first letter of each word only<br />
are used for all letters in the name<br />
are used for only the prefix<br />
Question 8.8. (TCO 3) Which of the following is a valid variable name in Visual Basic? (Points : 1)<br />
o decSales4Q2015<br />
o 4Q2015Sales<br />
o Sales for Fourth Quarter 2015<br />
o dec.Sales.4Q.2015<br />
Question 9.9. (TCO 3) Which of the following statements declares a variable named dblHeight with data type<br />
Double in Visual Basic? (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
Dim dblHeight As Double<br />
Dim Double As dblHeight<br />
Double dblHeight<br />
Declare dblHeight As Double<br />
Question 10.10. (TCO 3) If a variable with a data type of Boolean is declared without specifying an initial value, its<br />
initial value will be _____. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
true<br />
false<br />
undefined<br />
nothing<br />
Question 11.11. (TCO 3) A value can be stored in a variable while the application is running using a(n) _____<br />
statement. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
conditional<br />
assignment<br />
control<br />
comment<br />
Question 12.12. (TCO 3) To convert text input to a number, most programmers prefer to use the TryParse method<br />
rather than the Val function because _____. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
TryParse executes faster<br />
TryParse allows the programmer to specify the intended data type<br />
TryParse uses less memory<br />
TryParse can convert a string that contains a dollar sign<br />
Question 13.13. (TCO 3) A memory location in an application that can be referred to by name, but whose value<br />
cannot be changed after it has been initialized, is a _____. (Points : 1)
o<br />
o<br />
o<br />
o<br />
literal constant<br />
named constant<br />
static variable<br />
class-level variable<br />
Question 14.14. (TCO 3) Which of the following statements tells Visual Basic to ensure that every named constant<br />
and variable is declared with a data type? (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
Option Infer On<br />
Option Infer Off<br />
Option Strict On<br />
Option Explicit Off<br />
Question 15.15. (TCO 3) The operator to join or concatenate strings in Visual Basic is the _____. (Points : 1)<br />
o percent (%)<br />
o ampersand (&)<br />
o backslash ()<br />
o pipe (|)<br />
Question 16.16. (TCO 3) A control’s _____ event occurs when a change is made to the control’s Text property.<br />
(Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
Click<br />
Enter<br />
GotFocus<br />
TextChanged<br />
Question 17.17. (TCO 3) What type of error is represented in the following Visual Basic statement? Die strName<br />
As String (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
run time<br />
functional<br />
syntax<br />
logic<br />
Question 18.18. (TCO 3) Which of the following would be most likely to cause a logic error in an application?<br />
(Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
Misspelling the name of a text box when referring to it in code<br />
Entering a statement to display a result before the statement that calculates the result<br />
Misspelling the data type in a variable declaration<br />
Attempting to divide by zero in a calculation<br />
Question 19.19. (TCO 3) Setting a(n) _____ allows the programmer to pause execution of the application at a<br />
specific line in the code. (Points : 1)<br />
o<br />
o<br />
o<br />
o<br />
trigger<br />
interrupt<br />
milestone<br />
breakpoint<br />
Question 20.20. (TCO 3) The Visual Basic function that calculates the present value of a series of payments is<br />
(Points : 1)<br />
o<br />
PV.
o<br />
o<br />
o<br />
FV.<br />
Pmt.<br />
PresVal.