D278 EXAM PREP QUESTIONS WITH CORRECT ANSWERS

D278 EXAM PREP QUESTIONS WITH m m m m




CORRECT ANSWERS m m




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