D278 EXAM PREP QUESTIONS WITH CORRECT ANSWERS.

D278EXAMPREPQUESTIONSWITH b b b b




CORRECT ANSWERS b b




Whatdoesaprogrammerdofirsttouseanexistingprogramminglibrary? -CORRECTANSWER- Include
b b b b b b b b b b b b b b b b




the library
b b




Whatrelationshipiscommonamongaprogramminglibrary'sfunctions? -CORRECTANSWER-
b b b b b b b b b b b b




Functions all relate to the same purpose.
b b b b b b b




Whatisanadvantageofusingaprogramminglibrary? -CORRECTANSWER-Thecodehas already been
b b b b b b b b b b b b b b b b




tested.
b




Whichlanguageisdynamicallytyped? - CORRECT ANSWER-Python
b b b b b b b b




Whichlanguageisnotbuilton object-orienteddesign principles? -CORRECT ANSWER-C
b b b b b b b b b b b b




Alanguagesubstantiallysupportsaprogrammercreatingitemslikeperson,teacher,and students.
b b b b b b b b b b b b




Each item has internal data and some operations.
b b b b b b b b




Whichcharacteristicdescribesthatlanguage? -CORRECTANSWER-Object-oriented
b b b b b b b b




Aprogrammerwantsacompilertoreportanerrorifanintegervariableisassignedwitha string.
b b b b b b b b b b b b b b b b b




Whichtypeoflanguageshouldtheprogrammeruse? -CORRECT ANSWER-StaticallyTyped
b b b b b b b b b b b b




Alanguageusestagsaroundtexttoindicatehowthattextshouldbeformatted.
b b b b b b b b b b b b b

, Whichcharacteristicdescribesalanguagehavingsuchtags? -CORRECTANSWER-Markup
b b b b b b b b b b b




Whatisacharacteristicofcompiledlanguage? -CORRECTANSWER-Convertstomachine language
b b b b b b b b b b b b b




before running
b b




Whatisacharacteristicofinterpretedprograms?-CORRECTANSWER-Theycanbemodifiedat run time
b b b b b b b b b b b b b b b b




Whichcharacteristicspecificallydescribesamarkuplanguage?-CORRECTANSWER-Tags surround
b b b b b b b b b b b




text to describe desired formatting
b b b b b




Whichcharacteristicspecificallydescribesinterpretedlanguage? -CORRECTANSWER-Theycan run
b b b b b b b b b b b




on any machine having the right interpreter
b b b b b b b




Whichdatatypeisusedfor itemsthataremeasured in length? -CORRECTANSWER -Float
b b b b b b b b b b b b b b b




Whatisthepurposeofparentheses()inaprogrammingexpression? -CORRECT ANSWER-To group
b b b b b b b b b b b b b b b




expressions
b




Whichdatatype shouldbeusedtokeeptrackofhowmanyplanesare inahanger? - CORRECT ANSWER -
b b b b b b b b b b b b b b b b b b b b




Integer



Whatisavaliduser-definedfunctionname?-CORRECTANSWER-Variableidentifier
b b b b b b b b b b b




Whatis thereturnvalueof afunction? -CORRECT ANSWER -Outputof afunction
b b b b b b b b b b b b b b