D278 Exam Prep UPDATED ACTUAL
Exam Questions and CORRECT Answers
What does a programmer do first to use an existing programming library? - CORRECT
ANSWER - Include the library
What relationship is common among a programming library's functions? - CORRECT
ANSWER - Functions all relate to the same purpose.
What is an advantage of using a programming library? - CORRECT ANSWER - The code
has already been tested.
Which language is dynamically typed? - CORRECT ANSWER - Python
Which language is not built on object-oriented design principles? - CORRECT
ANSWER -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? - CORRECT ANSWER - Object-oriented
A programmer wants a compiler to report an error if an integer variable is assigned with a string.
Which type of language should the programmer use? - CORRECT 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? - CORRECT ANSWER -
Markup
What is a characteristic of compiled language? - CORRECT ANSWER - Converts to
machine language before running
What is a characteristic of interpreted programs? - CORRECT ANSWER - They can be
modified at run time
Which characteristic specifically describes a markup language? - CORRECT ANSWER -
Tags surround text to describe desired formatting
Which characteristic specifically describes interpreted language? - CORRECT ANSWER -
They can run on any machine having the right interpreter
Which data type is used for items that are measured in length? - CORRECT ANSWER -
Float
What is the purpose of parentheses () in a programming expression? - CORRECT
ANSWER - To group expressions
Which data type should be used to keep track of how many planes are in a hanger? - CORRECT
ANSWER - Integer
What is a valid user-defined function name? - CORRECT ANSWER - Variable identifier
What is the return value of a function? - CORRECT ANSWER - Output of a function
When should a programmer develop an algorithm to solve a problem? - CORRECT
ANSWER - Before writing a program to solve the problem.
Exam Questions and CORRECT Answers
What does a programmer do first to use an existing programming library? - CORRECT
ANSWER - Include the library
What relationship is common among a programming library's functions? - CORRECT
ANSWER - Functions all relate to the same purpose.
What is an advantage of using a programming library? - CORRECT ANSWER - The code
has already been tested.
Which language is dynamically typed? - CORRECT ANSWER - Python
Which language is not built on object-oriented design principles? - CORRECT
ANSWER -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? - CORRECT ANSWER - Object-oriented
A programmer wants a compiler to report an error if an integer variable is assigned with a string.
Which type of language should the programmer use? - CORRECT 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? - CORRECT ANSWER -
Markup
What is a characteristic of compiled language? - CORRECT ANSWER - Converts to
machine language before running
What is a characteristic of interpreted programs? - CORRECT ANSWER - They can be
modified at run time
Which characteristic specifically describes a markup language? - CORRECT ANSWER -
Tags surround text to describe desired formatting
Which characteristic specifically describes interpreted language? - CORRECT ANSWER -
They can run on any machine having the right interpreter
Which data type is used for items that are measured in length? - CORRECT ANSWER -
Float
What is the purpose of parentheses () in a programming expression? - CORRECT
ANSWER - To group expressions
Which data type should be used to keep track of how many planes are in a hanger? - CORRECT
ANSWER - Integer
What is a valid user-defined function name? - CORRECT ANSWER - Variable identifier
What is the return value of a function? - CORRECT ANSWER - Output of a function
When should a programmer develop an algorithm to solve a problem? - CORRECT
ANSWER - Before writing a program to solve the problem.
