D278 EXAM PREP OA TEST PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ A programmer wants a compiler to report an error if an integer
variable is assigned with a string.
Which kind of language should the programmer use? Answer:
Statically typed
◉ A language uses tags around text to indicate how that text should
be formatted.
Which characteristic describes a language having such tags? Answer:
Markup
◉ What is a characteristic of a compiled language? Answer: Converts
to machine language before running
◉ What is a characteristic of an interpreted language? Answer: Runs
easily on different kinds of machines
◉ What is an advantage of interpreted programs? Answer: They can
be modified at run time.
,◉ A car drove 200 miles using 10 gallons of fuel.Which operation
should be used to compute the miles per gallon, which is 20?
Answer: Division
◉ Which operator should be used to determine if a number is evenly
divisible by 5? Answer: %
◉ A variable should hold a person's height in meters.Which data
type should the variable be? Answer: Float
◉ A variable should hold the names of all past U.S. presidents.
Which data type should the variable be? 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? 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?
Answer: Constant integer minAge
◉ Given integer x = 3 and integer y = 5.
What is the value of the expression (x / 2.0) + y? Answer: 6
◉ Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y? Answer: 10
◉ What kind of operator is the == in the expression i == 20? Answer:
Equality
◉ Given float x = 3.0.
Which expression evaluates to 2.0? Answer: x / 2 + 0.5 /2 + .25
◉ Which expression represents all the values of x, when x is the age
ranging from 18 to 24 years old? Answer: (x >= 18) and (x <= 24)
◉ Which data type should be used to keep track of how many planes
are in a hangar? Answer: Integer
QUESTIONS WITH ANSWERS GRADED A+
◉ A programmer wants a compiler to report an error if an integer
variable is assigned with a string.
Which kind of language should the programmer use? Answer:
Statically typed
◉ A language uses tags around text to indicate how that text should
be formatted.
Which characteristic describes a language having such tags? Answer:
Markup
◉ What is a characteristic of a compiled language? Answer: Converts
to machine language before running
◉ What is a characteristic of an interpreted language? Answer: Runs
easily on different kinds of machines
◉ What is an advantage of interpreted programs? Answer: They can
be modified at run time.
,◉ A car drove 200 miles using 10 gallons of fuel.Which operation
should be used to compute the miles per gallon, which is 20?
Answer: Division
◉ Which operator should be used to determine if a number is evenly
divisible by 5? Answer: %
◉ A variable should hold a person's height in meters.Which data
type should the variable be? Answer: Float
◉ A variable should hold the names of all past U.S. presidents.
Which data type should the variable be? 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? 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?
Answer: Constant integer minAge
◉ Given integer x = 3 and integer y = 5.
What is the value of the expression (x / 2.0) + y? Answer: 6
◉ Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y? Answer: 10
◉ What kind of operator is the == in the expression i == 20? Answer:
Equality
◉ Given float x = 3.0.
Which expression evaluates to 2.0? Answer: x / 2 + 0.5 /2 + .25
◉ Which expression represents all the values of x, when x is the age
ranging from 18 to 24 years old? Answer: (x >= 18) and (x <= 24)
◉ Which data type should be used to keep track of how many planes
are in a hangar? Answer: Integer
