BIS 311 DeVry Week 2 Quiz

Question 6.6. (TCO 3) In Hungarian notation, variable names begin with a three-character prefix that indicates
_____. (Points : 1)
o
o
o
o
whether the variable is an input or an output
the initials of the programmer
the variable’s scope
the variable’s data type
Question 7.7. (TCO 3) When a variable name is written in camel case, upper-case letters _____. (Points : 1)
o
o
o
o
are not used
are used for the first letter of each word only
are used for all letters in the name
are used for only the prefix
Question 8.8. (TCO 3) Which of the following is a valid variable name in Visual Basic? (Points : 1)
o decSales4Q2015
o 4Q2015Sales
o Sales for Fourth Quarter 2015
o dec.Sales.4Q.2015
Question 9.9. (TCO 3) Which of the following statements declares a variable named dblHeight with data type
Double in Visual Basic? (Points : 1)
o
o
o
o
Dim dblHeight As Double
Dim Double As dblHeight
Double dblHeight
Declare dblHeight As Double
Question 10.10. (TCO 3) If a variable with a data type of Boolean is declared without specifying an initial value, its
initial value will be _____. (Points : 1)
o
o
o
o
true
false
undefined
nothing
Question 11.11. (TCO 3) A value can be stored in a variable while the application is running using a(n) _____
statement. (Points : 1)
o
o
o
o
conditional
assignment
control
comment
Question 12.12. (TCO 3) To convert text input to a number, most programmers prefer to use the TryParse method
rather than the Val function because _____. (Points : 1)
o
o
o
o
TryParse executes faster
TryParse allows the programmer to specify the intended data type
TryParse uses less memory
TryParse can convert a string that contains a dollar sign
Question 13.13. (TCO 3) A memory location in an application that can be referred to by name, but whose value
cannot be changed after it has been initialized, is a _____. (Points : 1)