WGU D278 PRE 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. Which kind of language should the programmer use? - ANS Statically typed
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, 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 a compiled language? - ANS Converts to machine language before
running
What is a characteristic of an interpreted language? - ANS Runs easily on different kinds of
machines
What is an advantage 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 languages? - ANS They can be run one
statement at a time.
Which characteristic specifically describes interpreted languages? - ANS They can run on any
machine having the right interpreter.
A car drove 200 miles using 10 gallons of fuel. Which operation should be used to compute the
miles per gallon, which is 20? - ANS Division
Which operator should be used to determine if a number is evenly divisible by 5? - ANS %
A variable should hold a person's height in meters. Which data type should the variable be? -
ANS Float
A variable should hold the names of all past U.S. presidents. Which data type should the
variable be? - ANS String array
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
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. Which kind of language should the programmer use? - ANS Statically typed
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, 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 a compiled language? - ANS Converts to machine language before
running
What is a characteristic of an interpreted language? - ANS Runs easily on different kinds of
machines
What is an advantage 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 languages? - ANS They can be run one
statement at a time.
Which characteristic specifically describes interpreted languages? - ANS They can run on any
machine having the right interpreter.
A car drove 200 miles using 10 gallons of fuel. Which operation should be used to compute the
miles per gallon, which is 20? - ANS Division
Which operator should be used to determine if a number is evenly divisible by 5? - ANS %
A variable should hold a person's height in meters. Which data type should the variable be? -
ANS Float
A variable should hold the names of all past U.S. presidents. Which data type should the
variable be? - ANS String array
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
