WGU D278 EXAM QUESTIONS AND
ANSWERS | 2026 UPDATE | 100%
CORRECT.
What does a programmer do first to use an existing programming library? - ANS Include the
library
What relationship is common among a programming library's functions? - ANS Functions all
relate to the same purpose.
What is an advantage of using a programming library? - ANS The code has already been
tested.
Which language is dynamically typed? - ANS Python
Which language is not built on object-oriented design principles? - ANS C
A language substantially supports a programmer creating items like person, teacher, and
students. Each item has internal data and some operations.
Which characteristic describes that language? - ANS Object-oriented
A programmer wants a compiler to report an error if an integer variable is assigned with a
string.
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, Which type of language should the programmer use? - ANS Statically Typed
A language uses tags around text to indicate how that text should be formatted.
Which characteristic describes a language having such tags? - ANS Markup
What is a characteristic of compiled language? - ANS Converts to machine language before
running
What is a characteristic of interpreted programs? - ANS They can be modified at run time
Which characteristic specifically describes a markup language? - ANS Tags surround text to
describe desired formatting
Which characteristic specifically describes interpreted language? - ANS They can run on any
machine having the right interpreter
Which data type is used for items that are measured in length? - ANS Float
What is the purpose of parentheses () in a programming expression? - ANS To group
expressions
Which data type should be used to keep track of how many planes are in a hanger? -
ANS Integer
What is a valid user-defined function name? - ANS Variable identifier
What is the return value of a function? - ANS Output of a function
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 6
ANSWERS | 2026 UPDATE | 100%
CORRECT.
What does a programmer do first to use an existing programming library? - ANS Include the
library
What relationship is common among a programming library's functions? - ANS Functions all
relate to the same purpose.
What is an advantage of using a programming library? - ANS The code has already been
tested.
Which language is dynamically typed? - ANS Python
Which language is not built on object-oriented design principles? - ANS C
A language substantially supports a programmer creating items like person, teacher, and
students. Each item has internal data and some operations.
Which characteristic describes that language? - ANS Object-oriented
A programmer wants a compiler to report an error if an integer variable is assigned with a
string.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 6
, Which type of language should the programmer use? - ANS Statically Typed
A language uses tags around text to indicate how that text should be formatted.
Which characteristic describes a language having such tags? - ANS Markup
What is a characteristic of compiled language? - ANS Converts to machine language before
running
What is a characteristic of interpreted programs? - ANS They can be modified at run time
Which characteristic specifically describes a markup language? - ANS Tags surround text to
describe desired formatting
Which characteristic specifically describes interpreted language? - ANS They can run on any
machine having the right interpreter
Which data type is used for items that are measured in length? - ANS Float
What is the purpose of parentheses () in a programming expression? - ANS To group
expressions
Which data type should be used to keep track of how many planes are in a hanger? -
ANS Integer
What is a valid user-defined function name? - ANS Variable identifier
What is the return value of a function? - ANS Output of a function
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 6
