Download Programming Foundations: Questions and Answers and more Exams Programming Methodologies in PDF only on Docsity!
Ultimate |\D278 |\Scripting |\and |\Programming |\
Foundations |\QUESTIONS |\WITH |\ANSWERS
Which |\operator |\should |\be |\used |\to |\determine |\if |\a |\number |\is |\evenly |
divisible |\by |\5? % A |\car |\drove |\ 200 |\miles |\using |\ 10 |\gallons |\of |\fuel. Which |\operation |\should |\be |\used |\to |\compute |\the |\miles |\per |\gallon, |\which |\is |\20? Division A |\variable |\should |\hold |\a |\person's |\height |\in |\meters. Which |\data |\type |\should |\the |\variable |\be? Float A |\variable |\should |\hold |\the |\names |\of |\all |\past |\U.S. |\presidents. Which |\data |\type |\should |\the |\variable |\be? String |\array A |\program |\uses |\the |\number |\of |\seconds |\in |\a |\minute |\in |\various |
calculations. How |\should |\the |\item |\that |\holds |\the |\number |\of |\seconds |\in |\a |\minute |\be |
declared? Constant |\integer |\secondsPerMinute
A |\program |\determines |\if |\a |\user's |\age |\is |\high |\enough |\to |\run |\for |\U.S. |
president. |\The |\minimum |\age |\requirement |\is |\35. How |\should |\the |\item |\that |\holds |\the |\minimum |\age |\be |\declared? Constant |\integer |\minAge Given |\integer |\x |= |\ 3 |\and |\integer |\y |= |\5. What |\is |\the |\value |\of |\the |\expression |( |\x |/ |\2.0) |+ |\y?
Given |\float |\x |= |\10.2 |\and |\float |\y |= |\1.0. What |\is |\the |\value |\of |\the |\expression |\x |/ |\y |?
What |\kind |\of |\operator |\is |\the |== |\in |\the |\expression |\i |== |\20? Equality What |\is |\the |\purpose |\of |\parentheses |() |\in |\a |\programming |\expression? To |\group |\expressions Given |\float |\x |= |\3.0. Which |\expression |\evaluates |\to |\2.0? x |/ |\ 2 |+ |\0.5 |/2 |+ |.
function |\P(integer |\x) |\returns |\integer |\y y |= |\ 2 |* |\x What |\does |\P(5) |\evaluate |\to? 10 Function |\F() Put |"Hey" |\to |\output What |\entire |\output |\appears |\after |\three |\successive |\calls |\to |\F()? HeyHeyHey What |\is |\a |\valid |\user-defined |\function |\name? Any |\valid |\identifier A |\function |\MyFct |\has |\an |\input |\x |\and |\an |\output |\z. What |\does |\MyFct |\return? z |\only What |\is |\the |\return |\value |\of |\a |\function? Output |\of |\a |\function A |\program |\should |\continue |\accepting |\input |\numbers, |\adding |\each |\to |\a |
sum, |\until |\a |\ 0 |\is |\input. Which |\control |\structure |\should |\be |\used? While |\loop
Joe |\is |\building |\an |\online |\game. |\He |\wants |\to |\provide |\a |\riddle |\and |\have |\the |\player |\guess |\the |\answer. |\The |\game |\needs |\to |\prompt |\the |\user |\to |\enter |\the |\answer, |\check |\to |\see |\if |\it |\the |\input |\provided |\does |\not |\match |\the |\correct |
answer, |\and |\continue |\prompting |\the |\user |\until |\the |\answer |\entered |
matches |\the |\correct |\answer. Which |\control |\structure |\supports |\Joe's |\needs? Do-while |\loop What |\is |\put |\to |\output |\by |\the |\following |\pseudocode: x |= |\ 3 do Put |\x |\to |\output Put |" |" |\to |\output x |= |\x |- |\ 1 while |\x |> |\ 0 3 |\ 2 |\ 1 A |\programmer |\has |\developed |\the |\following |\code: count |= |\ 0 while |\count |\is |\less |\than |\5: print |'Hello' What |\is |\the |\result |\of |\implementing |\this |\code? 'Hello' |\will |\print |\indefinitely. What |\is |\the |\loop |\expression |\in |\the |\following |\pseudocode? i |= |\ 0 while |\i |< |\ 20
Order |\the |\tasks |\needed |\to |\create |\a |\pyramid |(large |\on |\bottom, |\small |\on |
top) |\on |\a |\table |\from |\first |(1) |\to |\last |(4). A |\Place |\largest |\shape. B |\Clear |\table C |\Place |\smallest |\shape. D |\Place |\middle-sized |\shape. BADC What |\does |\the |\following |\algorithm |\determine? if |\x |== |\y z |= |\ 1 else z |= |\ 0 Whether |\x |\and |\y |\are |\the |\same What |\does |\the |\following |\algorithm |\accomplish? x |= |\Get |\next |\input if |\x |== |- Put |"Goodbye" |\to |\output Outputs |\Goodbye |\when |\user |\types |- What |\does |\an |\output |\of |\ 1 |\indicate |\for |\the |\following |\algorithm |\running |\on |\a |\five-element |\list |\of |\integers? i |= |\ 0 x |= |\ 0 while |\i |< |\ 5 if |\list[i] |< |\ 0
x |= |\ 1 i |= |\i |+ |\ 1 Put |\x |\to |\output At |\least |\one |\integer |\is |\negative When |\should |\a |\programmer |\develop |\an |\algorithm |\to |\solve |\a |\problem? Before |\writing |\a |\program |\to |\solve |\the |\problem Which |\text |\represents |\an |\algorithm? Insert |\key, |\turn |\key, |\open |\door Which |\text |\represents |\an |\algorithm? Shake |\bulb; |\if |\it |\rattles, |\replace |\it An |\algorithm |\should |\output |"OK" |\if |\a |\list's |\numbers |\are |\all |\non-zero, |\else |\the |\output |\is |"Not |\OK." Which |\test |\is |\a |\valid |\test |\of |\the |\algorithm? Input |\99, |\0, |\5. |\Ensure |\output |\is |"Not |\OK." Which |\elements |\are |\characteristic |\of |\a |\class |\diagram? System's |\classes, |\attributes, |\and |\methods |\and |\their |\features, |\constraints, |
and |\relationships
A |\programmer |\decides |\a |\program |\should |\convert |\U.S. |\units |\to |\metric |
units |\and |\decides |\to |\write |\the |\program |\in |\C++ |\using |\several |\functions. Which |\phase |\of |\a |\waterfall |\approach |\is |\occurring |\when |\the |\programmer |
starts |\writing |\the |\program? Implementation A |\company |\has |\a |\new |\project |\it |\wishes |\to |\implement |\to |\track |\and |
analyze |\employee |\and |\customer |\interactions. |\The |\company |\leadership |
determines |\that |\the |\system |\should |\support |\direct |\data |\entry |\as |\well |\as |
automated |\data |\capture |\of |\phone |\calls |\and |\emails. Which |\phase |\of |\the |\waterfall |\process |\is |\occurring? Analysis A |\programmer |\shows |\a |\program's |\first |\version |\to |\a |\customer. |\The |
customer |\provides |\feedback, |\which |\causes |\the |\programmer |\to |\change |\the |
goals |\of |\the |\program. In |\which |\phase |\of |\an |\agile |\approach |\are |\goals |\changed |\based |\on |\customer |\feedback? Analysis A |\programmer |\shows |\a |\program's |\first |\version |\to |\a |\customer. |\Based |\on |
feedback, |\the |\programmer |\begins |\writing |\a |\second |\version |\of |\the |\program. In |\which |\phase |\of |\an |\agile |\approach |\does |\the |\writing |\of |\a |\second |\version |
of |\the |\program |\occur? Implementation
A |\programmer |\shows |\a |\program's |\first |\version |\to |\a |\customer. |\Based |\on |
feedback, |\the |\programmer |\creates |\a |\second |\version, |\and |\then |\has |\a |
colleague |\run |\the |\second |\version |\on |\numerous |\inputs |\to |\ensure |\outputs |
are |\correct. Which |\phase |\of |\an |\agile |\approach |\is |\that |\colleague |\carrying |\out? Testing A |\programmer |\is |\currently |\programming |\the |\fourth |\version |\of |\a |\program. |
Each |\version |\has |\additional |\features |\to |\satisfy |\more |\customers. In |\which |\phase |\of |\an |\agile |\approach |\does |\the |\programming |\of |\the |\fourth |
version |\occur? Implementation What |\does |\a |\programmer |\do |\first |\to |\use |\an |\existing |\programming |\library? Include |\the |\library What |\relationship |\is |\common |\among |\a |\programming |\library's |\functions? Functions |\all |\relate |\to |\the |\same |\purpose What |\is |\an |\advantage |\of |\using |\a |\programming |\library? The |\code |\has |\already |\been |\tested Which |\language |\is |\dynamically |\typed? Python Which |\language |\is |\not |\built |\on |\object-oriented |\design |\principles?
Which |\characteristic |\specifically |\describes |\a |\markup |\language? Tags |\surround |\text |\to |\describe |\desired |\formatting Which |\characteristic |\specifically |\describes |\interpreted |\languages? They |\can |\be |\run |\one |\statement |\at |\a |\time Which |\characteristic |\specifically |\describes |\interpreted |\languages? They |\can |\run |\on |\any |\machine |\having |\the |\right |\interpreter Program Consists |\of |\instructions |\executing |\one |\at |\a |\time. Input A |\program |\gets |\data, |\perhaps |\from |\a |\file, |\keyboard, |\touchscreen, |\network, |\etc. Process A |\program |\performs |\computations |\on |\that |\data, |\such |\as |\adding |\two |
values |\like |\x |+ |\y. Output A |\program |\puts |\that |\data |\somewhere, |\such |\as |\to |\a |\file, |\screen, |\network, |
etc. Variables To |\refer |\to |\data, |\like |\x. Algorithm A |\sequence |\of |\instructions |\that |\solves |\a |\problem.
Flowchart A |\graphical |\language |\for |\creating |\or |\viewing |\computer |\programs. Run |\execute Carrying |\out |\a |\program's |\statements. String |\literal Consists |\of |\text |(characters) |\within |\double |\quotes, |\as |\in |"Go |#57!". Characters Any |\letter |(a-z, |\A-Z), |\digit |(0-9), |\or |\symbol |(~, |!, |@, |\etc.). Newline A |\two-character |\sequence |\n |\whose |\appearance |\in |\an |\output |\string |\literal |
causes |\the |\cursor |\to |\move |\to |\the |\next |\output |\line. Comment Text |\a |\programmer |\adds |\to |\a |\program, |\to |\be |\read |\by |\humans |\to |\better |
understand |\the |\code, |\but |\ignored |\by |\the |\program |\when |\executing. Whitespace Refers |\to |\blank |\spaces |(space |\and |\tab |\characters) |\between |\items |\within |\a |
statement, |\and |\to |\newlines. Moore's |\Law Engineers |\have |\reduced |\switch |\sizes |\by |\half |\about |\every |\ 2 |\years. Assignment |\statement Assigns |\a |\variable |\with |\a |\value, |\such |\as |\x |= |\5. Variable |\declaration Specifies |\the |\variable's |\name |\and |\type. Integer
Text |\that |\resembles |\a |\program |\in |\a |\real |\programming |\language |\but |\is |
simplified |\to |\aid |\human |\understanding. if |\else A |\decision |\and |\its |\two |\branches. |\Because |\IF |\the |\decision's |\expression |\is |
true |\then |\the |\first |\branch |\executes, |\ELSE |\the |\second |\branch |\executes. Boolean A |\type |\that |\has |\just |\two |\values: |\true |\or |\false. While |\loop A |\loop |\that |\repeatedly |\executes |\the |\loop |\body |\while |\the |\loop's |\expression |
evaluates |\to |\true. For |\loop A |\loop |\with |\three |\parts |\at |\the |\top: |\a |\loop |\variable |\initialization, |\a |\loop |
expression, |\and |\a |\loop |\variable |\update. Do |\While |\loop A |\loop |\that |\first |\executes |\the |\loop |\body's |\statements, |\then |\checks |\the |
loop |\condition. Array An |\ordered |\list |\of |\items |\of |\a |\given |\data |\type. Function |\call Consists |\of |\the |\function |\name |\and |\parentheses, |\within |\which |\comma- separated |\arguments |(if |\any) |\appear. Analysis This |\first |\SDLC |\phase |\determines |\the |\goals |\and |\requirements |\for |\a |
system. Design This |\second |\SDLC |\phase |\defines |\specifics |\of |\how |\to |\build |\a |\program.
Implementation This |\third |\SDLC |\phase |\involves |\writing |\the |\program. Testing The |\fourth |\SDLC |\phase |\checks |\the |\system |\functions |\properly |\and |\meets |
requirements. Waterfall |\method Each |\phase |\is |\done |\in |\sequence, |\entirely |\completing |\one |\phase |\before |
moving |\to |\the |\next |\phase. Agile |\or |\spiral A |\program |\can |\be |\built |\by |\doing |\small |\amounts |\of |\each |\phase |\in |
sequence, |\and |\then |\repeating. Universal |\Modeling |\Language |(UML) Is |\a |\modeling |\language |\for |\software |\design |\that |\uses |\different |\types |\of |
diagrams |\to |\visualize |\the |\structure |\and |\behavior |\of |\programs. Use |\case |\diagram A |\behavioral |\diagram |\used |\to |\visually |\model |\how |\a |\user |\interacts |\with |\a |
software |\program. Class |\diagram A |\structural |\diagram |\that |\can |\be |\used |\to |\visually |\model |\the |\classes |\of |\a |
program, |\including |\data |\members |\and |\functions. Activity |\diagram A |\flowchart |\used |\to |\describe |\the |\flow |\of |\an |\activity |\or |\set |\of |\activities. Sequence |\diagram A |\behavioral |\diagram |\that |\shows |\interaction |\between |\software |
components |\and |\indicates |\the |\order |\of |\events. Statically |\typed
