Prep- Foundations & C173 With C173 Pre-
Assessment Practice Questions & A+ Answers
Which operator should be used to determine if a number is evenly
divisible by 5?
A+
B-
C*
D % Correct Answer - %
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 Correct Answer - Division
^^ 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 Correct Answer - Float
^^ 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 Correct Answer - String array
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 Correct Answer -
Constant integer secondsPerMinute
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 Correct Answer - Constant integer
minAge
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 Correct Answer - 6.5
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 Correct Answer - 10.2
What kind of operator is the == in the expression i == 20?
A Assignment
B Arithmetic
C Equality
D Logical Correct Answer - Equality
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 Correct Answer - To group
expressions
Given float x = 3.0.
Which expression evaluates to 2.0?
Ax/3*2+2
B x - 2/3
C x + 0.5 /2
D x / 2 + 0.5 /2 + .25 Correct Answer - x / 2 + 0.5 /2 + .25
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) Correct Answer - ( x >= 18) and ( x <=
24)
, ^^ Which data type is used for items that are measured in length?
A Integer
B Float
C String
D Boolean Correct Answer - Float
^^ Which data type should be used to keep track of how many
planes are in a hangar?
A Integer
B Float
C String
D Boolean Correct Answer - Integer
A function should convert hours and minutes to seconds, such as
converting 1 hour and 10 minutes to 4,200 seconds.
What should be the input to the function?
A Hours only
B Minutes only
C Hours and minutes
D Hours, minutes, and seconds Correct Answer - Hours and
minutes
A function returns a number x cubed. For example, if x is 3, the
function returns 3 * 3 * 3, or 27.
What should be the input to the function?
Ax
B x, x
C x, x, x
D 27 Correct Answer - x
A function calculates the weight difference (Diff) given two sample
weights (S1 and S2).