NCSU-CSC 230 FINAL Questions and Answers All Updated 2026

NCSU-CSC 230 FINAL
Questions and Answers
All Updated 2026
HowBisBCBdifferentBthanBJava?B-BAnswerB-BLower-levelBlanguage

-BCanBofferBmuchBbetterBperformance.

-BExposesBmoreBofBwhat'sBgoingBonBunderneath



WhatBthingsBareBwrittenBinBC?B-BAnswerB-BLinux:BAssemblyBandBC

-BMSBWindows:BAssembly,BC,BandBC++

-BJVM:BAssembly,BC,BandBC++

-BEmbeddedBsystemsB(cars,Bcalculators,Bappliances,Betc.)

-BHighBperformanceBapplicationsB(science/engineering)



CBisB___________.BABprogramBthatBisBaBcollectionBofB____________B(functions).BItBfoc
usesBonBactionsBperformedBbyBtheseB__________.B-
BAnswerBCBisBPROCEDURAL.BABprogramBthatBisBaBcollectionBofBPROCEDURESB(functions
).BItBfocusesBonBactionsBperformedBbyBtheseBPROCEDURES.



WhatBlibraryBisBusedBsinceB1999?B-BAnswerBC99Bstandard



WhatBareBtheBstrengthsBofBC?B-BAnswerB-BWeBcanBdoBthingsBthatBaBhigher-
levelBlanguageBcouldBnot

-BTheBCBprogramsBandBcompilerBcanBbeBtinyBandBfast

-BItBcanBbeButilizedBspecificallyBforBsomeBhardware



WhatBareBtheBweaknessesBofBC?B-BAnswerB-
BItBoffersBveryBlittleBinBprotectionBandBsecurity

,-BItBlacksBsomeBconstructsBforBmanagingBveryBlargeBprojects



WhatBisBtheBcommonBplatform?B-
BAnswerBABsystemBthatBisBtargetedBonBtoBcompileBCBcodeBandBrunBit.BTheBcommonBp
latformBforBNCSUBCSCB230BisBspecific.

-B64-butBIntelBPC

-BUniversityBLinuxBOS

-BgccBcompilerBsuite



IfBIBhaveBaBsourceBfileBnamedBhello.cBhowBwouldBIBcompileBitBonBterminalBregularlyBt
oBtheBexecutableBhello?B-BAnswerBgccB-WallB-std=c99Bhello.cB-oBhello



HowBwouldBIBcallBanBexecutableBnamedBhelloBfromBterminal?B-BAnswerB./hello



WhatBisBtheBdefaultBoutputBfileBifB-oBnameBisBnotBincludedBinBtheBterminal?B-
BAnswerBa.out



WhatBareBtheBbuilt-inBtypesBinBC?B-BAnswerB-Bchar

-Bshort

-Bint

-Blong

-Bfloat

-Bdouble

(byteBandBbooleanBareBnotBbuilt-in)



InBtheBfollowingBexample,BcanBiBbeBreachedBbyBanyBotherBfunctions?BWhy?



doubleBpower(BdoubleBx,BintBpB)B{B

BdoubleBresultB=B1;

,BforB(BintBiB=B0;BiB<Bp;Bi++B)B

BresultB*=Bx;B

BreturnBresult;B

}B-
BAnswerBNo,BdueBtoBfileBscopeBonlyBparametersBpassedBinBcanBbeBkeptBchangedBoutB
ofBaBfunctionBorBaBpointer,BglobalBvariable,BorBallocatedBmemory.



WouldBtheBlinesBsuccessfullyBcompile?



doubleBresult;

resultB=B1;B-
BAnswerBYes,BaBvariableBcanBbeBinitializedBbeforeBitBisBeverBassignedBaBvalue.



WhatBisBwrongBwithBtheBfollowingBlinesBofBcode:



doubleBresult;

resultB+=B1;

resultB=B1;B-BAnswerBResultBisBnotBinitializedBtoBaBvalueBsoBitBwillBfail.



WhatBfunctionBisBfirstBranBwhenBaBCBexecutableBisBcalled?B-BAnswerBmain()



WhatBdoesBmain()BreturnBtoBindicateBprogramBsuccessBandBfailure?B-
BAnswerB0BforBsuccess

AnythingBbutB0BforBfailure.



EXIT_SUCCESSBandBEXIT_FAILUREBareBbothBconstantBfromBwhichBlibrary?B-
BAnswerBTheBstandardBlibrary:Bstdlib.h



HowBdoByouBincludeBnecessaryBheaderBfilesBinByourBCBprogram?B-
BAnswerB#includeB<stdlib.h>

, WhatBisBtheBfileBtypeBofBstdlib.hB-BAnswerBHeaderBfiles



WhatBlibraryBisBnecessaryBforBperformingBinputBandBoutput?B-BAnswerBStandard-
I/OBheader:Bstdio.h



WhatBfunctionBfromBstdlib.hBlet'sByouBexitBtheBprogramBfromBanywhere?B-
BAnswerBvoidBexit(BintBstatusB);



WhatBisBaBstream?B-BAnswerBItBisBaBfileBorBdeviceBweBcanBreadBorBwrite.



HowBmanyBstreamsBdoesBaBCBprogramBautomaticallyBstartBwith?BAndBwhatBareBthey?B
-BAnswerBThereBareB3BstreamsBautomaticallyBstartedBinBaBCBprogram.BTheyBare:

-BStandardBinputB(inputBtypedBatBtheBterminal)

-BStandardBoutputB(outputBtoBtheBterminal)

-BStandardBerrorB(moreBoutputBtoBtheBterminal)



HowBwouldBIBredirectBaBstreamBforBtheBexecutableBhelloBwithBtheBinputBfileBofBin.txtB
andBhaveBtheBresultsBgoBtoBtheBout.txtBallBinBtheBterminalBwhenBtheBexecutableBisBca
lled?B-BAnswerBhelloB<Bin.txtB>Bout.txt



WhatBdoesBgetchar()BfromBstdio.hBdo?B-
BAnswerBItBgetsBtheBnextBcharBfromBtheBinputBstream.



WhatBdataBtypeBdoesBtheBgetchar()BfunctionBreturn?B-
BAnswerBint,BitBreturnsBtheBcodeBofBtheBnextBcharacterBreadB(rangesBfromB0BtoB255)B
andBifBitBreachesBtheBendBofBtheBfile,BitBoutputsB-1BforBEndBOfBFileB(EOF)



HowBmanyBbitsBareBinBaBbyte?B-BAnswerB8