D278 Programming and Scripting Exam
Questions with Verified Correct Answers
What does a programmer do first to use an existing programming library?
Include the library
What relationship is common among a programming library's functions?
Functions all relate to the same purpose.
What is an advantage of using a programming library?
The code has already been tested.
Which language is dynamically typed?
Python
Which language is not built on object-oriented design principles?
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?
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?
Statically typed
A language uses tags around text to indicate how that text should be formatted.
Which characteristic describes a language having such tags?
Markup
, What is a characteristic of a compiled language?
Converts to machine language before running
What is a characteristic of an interpreted language?
Runs easily on different kinds of machines
What is an advantage of interpreted programs?
They can be modified at run time.
Which characteristic specifically describes a markup language?
Tags surround text to describe desired formatting.
Which characteristic specifically describes interpreted languages?
They can be run one statement at a time.
Which characteristic specifically describes interpreted languages?
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?
Division
Which operator should be used to determine if a number is evenly divisible by 5?
%
A variable should hold a person's height in meters.Which data type should the variable be?
Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be?
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?
Constant integer secondsPerMinute
Questions with Verified Correct Answers
What does a programmer do first to use an existing programming library?
Include the library
What relationship is common among a programming library's functions?
Functions all relate to the same purpose.
What is an advantage of using a programming library?
The code has already been tested.
Which language is dynamically typed?
Python
Which language is not built on object-oriented design principles?
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?
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?
Statically typed
A language uses tags around text to indicate how that text should be formatted.
Which characteristic describes a language having such tags?
Markup
, What is a characteristic of a compiled language?
Converts to machine language before running
What is a characteristic of an interpreted language?
Runs easily on different kinds of machines
What is an advantage of interpreted programs?
They can be modified at run time.
Which characteristic specifically describes a markup language?
Tags surround text to describe desired formatting.
Which characteristic specifically describes interpreted languages?
They can be run one statement at a time.
Which characteristic specifically describes interpreted languages?
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?
Division
Which operator should be used to determine if a number is evenly divisible by 5?
%
A variable should hold a person's height in meters.Which data type should the variable be?
Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be?
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?
Constant integer secondsPerMinute
