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INTRODUCTION TO COMPUTER SCIENCE - D684 (PART1) EXAM QUESTIONS AND ANSWERS RATED A+ SURE PASS

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INTRODUCTION TO COMPUTER SCIENCE - D684 (PART1) EXAM QUESTIONS AND ANSWERS RATED A+ SURE PASS

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WGU D684

Course

WGU D684

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Institution: WGU D684
Course: WGU D684

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Uploaded on: December 29, 2025
Number of pages: 20
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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introduction to computer science d684 part1 ex

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INTRODUCTION TO COMPUTER
SCIENCE - D684 (PART1) EXAM
QUESTIONS AND ANSWERS RATED
A+ SURE PASS
Whichntypenofnvariablenrepresentsnanwholennumberninncomputernprogramming?

String

Array

Integer

Floatn-nCORRECTnANSWERSnInteger

2

Whatndescribesnannamednstoragenlocationnthatncannholdnvaluesnthatncannchange?

Variable

Constant

Identifier

Operandn-nCORRECTnANSWERSnVariable

Whatnisnonenstandardnrulenfornanvariablenname?

Thennamenshouldnhavenannappropriatenmeaning.

Thennamenmustnstartnwithnanlowercasenletter.

Thennamenmustnstartnwithnthentypendesignation.

Thennamenmustnusenhyphensnbetweennwords.n-
nCORRECTnANSWERSnThennamenshouldnhavenannappropriatenmeaning.

Whichncodingnconstructnallowsnanchoicenbetweennperformingnannactionnandnskippingnit?

,Assignment

Input/output

Selection

Iterationn-nCORRECTnANSWERSnSelection

Whatnisnthenvaluenofnthenexpressionnan+n(bn/nc)n*ndn-nenifnan=n19,nbn=n6,ncn=n2,ndn=n20,nandnen=n14?

65

132

226

426n-nCORRECTnANSWERSn65

Whatnisnanlist?

Anvarying-
length,norderedncollectionnofnhomogeneousnitemsnthatnallowsnforneasynaccess,ninsertion,nandnrem
oval

Angroupnofnrelatednattributesnstorednasnindividualnfieldsnundernansinglennamenandntreatednasnansing
lenconcept

Anfixed-lengthncollectionnofnhomogeneousnitemsnthatncanneachnbenaccessednbynitsnposition

Angroupninnwhichnindividualnelementsnarenaccessednfromnthensamenendnthatnisncallednthentopn-
nCORRECTnANSWERSnAnvarying-

length,norderedncollectionnofnhomogeneousnitemsnthatnallowsnforneasynaccess,ninsertion,nandnrem
oval

Hownarenitemsnaddedntonandnremovednfromnanstack?

Allnitemsncannbenaddedntonornremovednfromnanynlocation.

Allnitemsncannbenaccessednornchangednbutnnotneasilyninsertednornremoved.

Thenfirstnitemntonbenaddednbecomesnthenfirstnitemnremoved.

, Thenitemnremovednisnthenonenthatnhasnbeenninnthenshortestntime.n-
nCORRECTnANSWERSnThenitemnremovednisnthenonenthatnhasnbeenninnthenshortestntime.

Thencollectionnofncustomersnfornansmallnbusinessnisnstoredninnsuchnanwaynthatnancustomerncannbene
asilynaccessed,ndeleted,nornadded.nWhatnisnthendatanstructurencallednforninnthisnprogrammingnsitua
tion?

Queue

Record

Stack

Listn-nCORRECTnANSWERSnList

Whatndescribesnanreferencenparameter?

Stopsnthencontentnofnthenargumentnfromnchangingnanywhereninnthenprogram

Passesnancopynofnthencontentninnannargumentntonthenfunction

Allowsnthenuserntontypeninnthencontentnofnannargumentnatnruntime

Passesnthenaddress,nrathernthannthencontent,nofnthenargumentntonthenfunctionn-
nCORRECTnANSWERSnPassesnthenaddress,nrathernthannthencontent,nofnthenargumentntonthenfunctio

n

Thencodenshowsnansubprogramnandnancallntonthatnsubprogram.

my_function(num_a)

num_cn=nprocess(num_a)

store(num_c)num_bn=nmy_function(num_d)

Whichnvariablennamenrepresentsnannargument?

num_a

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INTRODUCTION TO COMPUTER SCIENCE - D684 (PART1) EXAM QUESTIONS AND ANSWERS RATED A+ SURE PASS

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