D278 Exam Prep Questions with Verified Answers
What does a programmer do first to use an existing
programming library? - ANSWER -Include the library
What is a characteristic of interpreted programs? -
ANSWER -They can be modified at run time
What relationship is common among a programming
library's functions? - ANSWER -Functions all relate
to the same purpose.
Which characteristic specifically describes a markup
language? - ANSWER -Tags surround text to
describe desired formatting
What is an advantage of using a programming library? -
ANSWER -The code has already been tested.
Which characteristic specifically describes interpreted
language? - ANSWER -They can run on any
Which language is dynamically typed? - ANSWER - machine having the right interpreter
Python
Which data type is used for items that are measured in
Which language is not built on object-oriented design length? - ANSWER -Float
principles? - ANSWER -C
What is the purpose of parentheses () in a programming
A language substantially supports a programmer creating expression? - ANSWER -To group expressions
items like person, teacher, and students. Each item has
internal data and some operations.
Which characteristic describes that language? - Which data type should be used to keep track of how
ANSWER -Object-oriented many planes are in a hanger? - ANSWER -Integer
A programmer wants a compiler to report an error if an What is a valid user-defined function name? -
integer variable is assigned with a string. ANSWER -Variable identifier
Which type of language should the programmer use? -
ANSWER -Statically Typed
What is the return value of a function? - ANSWER -
Output of a function
A language uses tags around text to indicate how that text
should be formatted.
When should a programmer develop an algorithm to solve
Which characteristic describes a language having such a problem? - ANSWER -Before writing a program to
tags? - ANSWER -Markup solve the problem.
What is a characteristic of compiled language? - Which phase of a waterfall approach would create a
ANSWER -Converts to machine language before sequence diagram that specifies the required order of
running events between completed program components? -
1/3
What does a programmer do first to use an existing
programming library? - ANSWER -Include the library
What is a characteristic of interpreted programs? -
ANSWER -They can be modified at run time
What relationship is common among a programming
library's functions? - ANSWER -Functions all relate
to the same purpose.
Which characteristic specifically describes a markup
language? - ANSWER -Tags surround text to
describe desired formatting
What is an advantage of using a programming library? -
ANSWER -The code has already been tested.
Which characteristic specifically describes interpreted
language? - ANSWER -They can run on any
Which language is dynamically typed? - ANSWER - machine having the right interpreter
Python
Which data type is used for items that are measured in
Which language is not built on object-oriented design length? - ANSWER -Float
principles? - ANSWER -C
What is the purpose of parentheses () in a programming
A language substantially supports a programmer creating expression? - ANSWER -To group expressions
items like person, teacher, and students. Each item has
internal data and some operations.
Which characteristic describes that language? - Which data type should be used to keep track of how
ANSWER -Object-oriented many planes are in a hanger? - ANSWER -Integer
A programmer wants a compiler to report an error if an What is a valid user-defined function name? -
integer variable is assigned with a string. ANSWER -Variable identifier
Which type of language should the programmer use? -
ANSWER -Statically Typed
What is the return value of a function? - ANSWER -
Output of a function
A language uses tags around text to indicate how that text
should be formatted.
When should a programmer develop an algorithm to solve
Which characteristic describes a language having such a problem? - ANSWER -Before writing a program to
tags? - ANSWER -Markup solve the problem.
What is a characteristic of compiled language? - Which phase of a waterfall approach would create a
ANSWER -Converts to machine language before sequence diagram that specifies the required order of
running events between completed program components? -
1/3
