WGU C173 Pre-Assessment Practice
Questions with Verified Solutions
Which |operator |should |be |used |to |determine |if |a |number |is |evenly |divisible |by |5?
A |+
B |-
C |*
D |% |✔✔D
A |car |drove |200 |miles |using |10 |gallons |of |fuel.
Which |operation |should |be |used |to |compute |the |miles |per |gallon, |which |is |20?
A |Addition
B |Subtraction
C |Multiplication
D |Division |✔✔D
A |variable |should |hold |a |person's |height |in |meters.
Which |data |type |should |the |variable |be?
A |Integer
B |Float
C |String
D |Boolean |✔✔B
A |variable |should |hold |the |names |of |all |past |U.S. |presidents.
Which |data |type |should |the |variable |be?
A |Integer |array
B |Float |array
,C |String |array
D |Boolean |array |✔✔C
A |program |uses |the |number |of |seconds |in |a |minute |in |various |calculations.
How |should |the |item |that |holds |the |number |of |seconds |in |a |minute |be |declared?
A |Constant |float |userTime
B |Variable |float |userTime
C |Constant |integer |secondsPerMinute
D |Variable |integer |secondsPerMinute |✔✔C
A |program |determines |if |a |user's |age |is |high |enough |to |run |for |U.S. |president. |The |minimum |age
requirement |is |35.
|
How |should |the |item |that |holds |the |minimum |age |be |declared?
A |Constant |integer |minAge
B |Variable |integer |minAge
C |Constant |integer |35
D |Variable |integer |35 |✔✔A
Given |integer |x |= |3 |and |integer |y |= |5.
What |is |the |value |of |the |expression |( |x |/ |2.0) |+ |y?
A |5.0
B |6.0
C |6.5
7 |7.5 |✔✔C
Given |float |x |= |10.2 |and |float |y |= |1.0.
What |is |the |value |of |the |expression |x |/ |y |? |A
0.0
|
, B |1.0
C |10
D |10.2 |✔✔D
What |kind |of |operator |is |the |== |in |the |expression |i |== |20?
A |Assignment
B |Arithmetic
C |Equality
D |Logical |✔✔C
What |is |the |purpose |of |parentheses |() |in |a |programming |expression?
A |To |print |expressions
B |To |group |expressions
C |To |run |expressions
D |To |compose |expressions |✔✔B |Given
float |x |= |3.0.
|
Which |expression |evaluates |to |2.0?
A |x |/ |3 |* |2 |+ |2
B |x |- |2/3
C |x |+ |0.5 |/2
D |x |/ |2 |+ |0.5 |/2 |+ |.25 |✔✔D
Which | expression | evaluates | to | true | only | when | the | user | is | within | 3 | years | of | 21 | years, | given | a
variable |x |containing |a |user's |age?
|
A |x |>= |18) |or |( |x |<= |24)
B |( |x |>= |18) |and |( |x |<= |24)
C |( |x |< |18) |or |( |x |> |24)
D |( |x |< |18) |and |( |x |> |24) |✔✔B
Questions with Verified Solutions
Which |operator |should |be |used |to |determine |if |a |number |is |evenly |divisible |by |5?
A |+
B |-
C |*
D |% |✔✔D
A |car |drove |200 |miles |using |10 |gallons |of |fuel.
Which |operation |should |be |used |to |compute |the |miles |per |gallon, |which |is |20?
A |Addition
B |Subtraction
C |Multiplication
D |Division |✔✔D
A |variable |should |hold |a |person's |height |in |meters.
Which |data |type |should |the |variable |be?
A |Integer
B |Float
C |String
D |Boolean |✔✔B
A |variable |should |hold |the |names |of |all |past |U.S. |presidents.
Which |data |type |should |the |variable |be?
A |Integer |array
B |Float |array
,C |String |array
D |Boolean |array |✔✔C
A |program |uses |the |number |of |seconds |in |a |minute |in |various |calculations.
How |should |the |item |that |holds |the |number |of |seconds |in |a |minute |be |declared?
A |Constant |float |userTime
B |Variable |float |userTime
C |Constant |integer |secondsPerMinute
D |Variable |integer |secondsPerMinute |✔✔C
A |program |determines |if |a |user's |age |is |high |enough |to |run |for |U.S. |president. |The |minimum |age
requirement |is |35.
|
How |should |the |item |that |holds |the |minimum |age |be |declared?
A |Constant |integer |minAge
B |Variable |integer |minAge
C |Constant |integer |35
D |Variable |integer |35 |✔✔A
Given |integer |x |= |3 |and |integer |y |= |5.
What |is |the |value |of |the |expression |( |x |/ |2.0) |+ |y?
A |5.0
B |6.0
C |6.5
7 |7.5 |✔✔C
Given |float |x |= |10.2 |and |float |y |= |1.0.
What |is |the |value |of |the |expression |x |/ |y |? |A
0.0
|
, B |1.0
C |10
D |10.2 |✔✔D
What |kind |of |operator |is |the |== |in |the |expression |i |== |20?
A |Assignment
B |Arithmetic
C |Equality
D |Logical |✔✔C
What |is |the |purpose |of |parentheses |() |in |a |programming |expression?
A |To |print |expressions
B |To |group |expressions
C |To |run |expressions
D |To |compose |expressions |✔✔B |Given
float |x |= |3.0.
|
Which |expression |evaluates |to |2.0?
A |x |/ |3 |* |2 |+ |2
B |x |- |2/3
C |x |+ |0.5 |/2
D |x |/ |2 |+ |0.5 |/2 |+ |.25 |✔✔D
Which | expression | evaluates | to | true | only | when | the | user | is | within | 3 | years | of | 21 | years, | given | a
variable |x |containing |a |user's |age?
|
A |x |>= |18) |or |( |x |<= |24)
B |( |x |>= |18) |and |( |x |<= |24)
C |( |x |< |18) |or |( |x |> |24)
D |( |x |< |18) |and |( |x |> |24) |✔✔B