D278 PRE-ASSESSMENT SCRIPTING AND
PROGRAMMING FOUNDATIONS
Which operator should be used to determine if a number is evenly divisible by 5?
A+
B-
C*
D % - 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 - 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 - 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 - 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 - 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 - 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 - 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 - Answer -10.2
What kind of operator is the == in the expression i == 20?
A Assignment
B Arithmetic
C Equality
D Logical - 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 - 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 - Answer -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) - Answer -B
PROGRAMMING FOUNDATIONS
Which operator should be used to determine if a number is evenly divisible by 5?
A+
B-
C*
D % - 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 - 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 - 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 - 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 - 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 - 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 - 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 - Answer -10.2
What kind of operator is the == in the expression i == 20?
A Assignment
B Arithmetic
C Equality
D Logical - 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 - 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 - Answer -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) - Answer -B
