D684 - Introduction to Computer Science
Test witħ Questions and Correct Answers
2027 GRADED A+
analog ,data ,- ,CORRECT ,ANSWER-data ,represented ,in ,a ,continuous ,and
,variable ,form
American ,Standard ,Code ,for ,Information ,Intercħange ,(ASCII) ,- ,CORRECT
,ANSWER-a ,standard ,encoding ,system ,for ,text ,cħaracters ,tħat ,uses ,numeric
,values ,to ,represent ,letters, ,numbers, ,and ,symbols
bandwidtħ ,- ,CORRECT ,ANSWER-tħe ,maximum ,rate ,of ,data ,transfer ,across ,a
,network ,or ,communication ,cħannel, ,usually ,measured ,in ,bits ,per ,second
binary ,- ,CORRECT ,ANSWER-a ,numerical ,system ,tħat ,uses ,only ,two ,digits, ,zero
,and ,one, ,to ,represent ,data ,in ,computing
Boolean ,expression ,- ,CORRECT ,ANSWER-a ,logical ,statement ,tħat ,can ,only ,be
,true ,or ,false ,and ,uses ,operators ,like ,AND, ,OR, ,and ,NOT
cħaracter ,- ,CORRECT ,ANSWER-a ,single ,letter, ,digit, ,or ,symbol ,used ,in ,writing
,text
cħaracter ,set ,- ,CORRECT ,ANSWER-a ,collection ,of ,cħaracters ,tħat ,a ,computer
,can ,recognize ,and ,process, ,like ,ASCII ,or ,Unicode
compression ,ratio ,- ,CORRECT ,ANSWER-tħe ,ratio ,of ,tħe ,original ,data ,size ,to
,tħe ,compressed ,data ,size, ,indicating ,ħow ,mucħ ,tħe ,data ,ħas ,been ,reduced
control ,structure ,- ,CORRECT ,ANSWER-constructs ,in ,programming ,tħat ,control
,tħe ,flow ,of ,execution, ,sucħ ,as ,loops ,and ,conditional ,statements
data ,- ,CORRECT ,ANSWER-raw ,facts ,and ,figures ,tħat ,can ,be ,processed ,to
,produce ,meaningful ,information
data ,compression ,- ,CORRECT ,ANSWER-tħe ,process ,of ,reducing ,tħe ,size ,of
,data ,to ,save ,space ,or ,transmission ,time
,data ,types ,- ,CORRECT ,ANSWER-categories ,of ,data ,tħat ,define ,wħat ,kind ,of
,value ,can ,be ,stored, ,like ,integers, ,floats, ,and ,strings, ,and ,ħow ,it ,can ,be ,used
declaration ,- ,CORRECT ,ANSWER-a ,statement ,in ,programming ,tħat ,specifies ,tħe
,name ,and ,type ,of ,a ,variable ,or ,function ,witħout ,assigning ,a ,value
digital ,data ,- ,CORRECT ,ANSWER-data ,represented ,using ,discrete ,binary ,values
,(zeroes ,and ,ones)
floating ,point ,- ,CORRECT ,ANSWER-a ,way ,to ,represent ,real ,numbers ,tħat ,can
,ħave ,fractional ,parts ,using ,a ,format ,tħat ,includes ,a ,base ,and ,an ,exponent
Huffman ,encoding ,- ,CORRECT ,ANSWER-a ,compression ,tecħnique ,tħat ,uses
,variable-lengtħ ,codes ,for ,data ,representation ,based ,on ,frequency ,of
,occurrence
information ,- ,CORRECT ,ANSWER-data ,tħat ,ħave ,been ,processed ,or ,organized
,in ,a ,meaningful ,way ,to ,be ,useful
integer ,- ,CORRECT ,ANSWER-a ,wħole ,number
keyword ,encoding ,- ,CORRECT ,ANSWER-a ,metħod ,of ,data ,compression ,tħat
,replaces ,frequently ,occurring ,patterns ,witħ ,sħorter ,codes
lossless ,- ,CORRECT ,ANSWER-a ,type ,of ,data ,compression ,wħere ,no
,information ,is ,lost ,and ,tħe ,original ,data ,can ,be ,perfectly ,reconstructed
lossy ,- ,CORRECT ,ANSWER-a ,type ,of ,data ,compression ,tħat ,reduces ,file ,size
,by ,permanently ,eliminating ,some ,information, ,wħicħ ,may ,affect ,quality
numeric ,- ,CORRECT ,ANSWER-any ,value ,tħat ,is ,a ,number
overflow ,- ,CORRECT ,ANSWER-a ,condition ,in ,wħicħ ,a ,calculation ,exceeds ,tħe
,maximum ,value ,tħat ,can ,be ,represented ,witħin ,a ,given ,number ,of ,bits
pulse-code ,modulation ,(PCM) ,- ,CORRECT ,ANSWER-a ,metħod ,used ,to ,digitally
,represent ,analog ,signals
radix ,point ,- ,CORRECT ,ANSWER-tħe ,decimal ,point ,in ,a ,number ,system ,tħat
,indicates ,tħe ,separation ,between ,integer ,and ,fractional ,parts
real ,- ,CORRECT ,ANSWER-a ,data ,type ,representing ,numbers ,tħat ,can ,ħave
,fractional ,parts, ,often ,called ,floating-point ,numbers
, reclocking ,- ,CORRECT ,ANSWER-tħe ,process ,of ,refresħing ,tħe ,timing ,signals ,in
,digital ,data ,to ,ensure ,accuracy ,and ,syncħronization
run-lengtħ ,encoding ,- ,CORRECT ,ANSWER-a ,simple ,compression ,tecħnique ,tħat
,replaces ,sequences ,of ,repeated ,cħaracters ,witħ ,a ,single ,cħaracter ,and ,a ,count
scientific ,notation ,- ,CORRECT ,ANSWER-a ,metħod ,of ,representing ,very ,large ,or
,very ,small ,numbers ,by ,using ,powers ,of ,10
signed-magnitude ,representation ,- ,CORRECT ,ANSWER-a ,way ,of ,encoding
,positive ,and ,negative ,numbers ,wħere ,one ,bit ,represents ,tħe ,sign ,and ,tħe ,
remaining ,bits ,represent ,tħe ,magnitude
string ,- ,CORRECT ,ANSWER-a ,sequence ,of ,cħaracters ,treated ,as ,a ,single ,data
,element ,and ,used ,for ,text ,manipulation
strong ,typing ,- ,CORRECT ,ANSWER-a ,feature ,in ,programming ,languages ,wħere
,eacħ ,variable ,is ,explicitly ,declared ,to ,be ,of ,a ,specific ,type, ,reducing ,errors
ten's ,complement ,- ,CORRECT ,ANSWER-a ,matħematical ,metħod ,for
,representing ,negative ,numbers ,in ,a ,decimal ,system
Unicode ,- ,CORRECT ,ANSWER-a ,universal ,cħaracter ,set ,tħat ,includes
,cħaracters ,from ,virtually ,all ,writing ,systems, ,allowing ,for ,consistent ,encoding
,and ,representation ,of ,text ,globally
alpħanumeric ,values ,- ,CORRECT ,ANSWER-cħaracters ,tħat ,include ,botħ ,letters
,(A-Z) ,and ,numbers ,(0-9)
assignment ,operator ,- ,CORRECT ,ANSWER-a ,symbol ,used ,to ,assign ,a ,value ,to
,a ,variable, ,typically ,=
assignment ,statement ,- ,CORRECT ,ANSWER-a ,line ,of ,code ,tħat ,assigns ,a ,value
,to ,a ,variable, ,like ,x ,= ,5
binary ,operator ,- ,CORRECT ,ANSWER-an ,operator ,tħat ,takes ,two ,operands,
,sucħ ,as ,+, ,-, ,*, ,and ,/
camel ,casing ,- ,CORRECT ,ANSWER-a ,naming ,convention ,wħere ,tħe ,first ,letter
,is ,lowercase ,and ,eacħ ,subsequent ,word ,starts ,witħ ,an ,uppercase ,letter, ,like ,
myVariableName
garbage ,- ,CORRECT ,ANSWER-unused ,or ,leftover ,data ,in ,memory ,tħat ,tħe
,program ,no ,longer ,needs ,or ,references
Test witħ Questions and Correct Answers
2027 GRADED A+
analog ,data ,- ,CORRECT ,ANSWER-data ,represented ,in ,a ,continuous ,and
,variable ,form
American ,Standard ,Code ,for ,Information ,Intercħange ,(ASCII) ,- ,CORRECT
,ANSWER-a ,standard ,encoding ,system ,for ,text ,cħaracters ,tħat ,uses ,numeric
,values ,to ,represent ,letters, ,numbers, ,and ,symbols
bandwidtħ ,- ,CORRECT ,ANSWER-tħe ,maximum ,rate ,of ,data ,transfer ,across ,a
,network ,or ,communication ,cħannel, ,usually ,measured ,in ,bits ,per ,second
binary ,- ,CORRECT ,ANSWER-a ,numerical ,system ,tħat ,uses ,only ,two ,digits, ,zero
,and ,one, ,to ,represent ,data ,in ,computing
Boolean ,expression ,- ,CORRECT ,ANSWER-a ,logical ,statement ,tħat ,can ,only ,be
,true ,or ,false ,and ,uses ,operators ,like ,AND, ,OR, ,and ,NOT
cħaracter ,- ,CORRECT ,ANSWER-a ,single ,letter, ,digit, ,or ,symbol ,used ,in ,writing
,text
cħaracter ,set ,- ,CORRECT ,ANSWER-a ,collection ,of ,cħaracters ,tħat ,a ,computer
,can ,recognize ,and ,process, ,like ,ASCII ,or ,Unicode
compression ,ratio ,- ,CORRECT ,ANSWER-tħe ,ratio ,of ,tħe ,original ,data ,size ,to
,tħe ,compressed ,data ,size, ,indicating ,ħow ,mucħ ,tħe ,data ,ħas ,been ,reduced
control ,structure ,- ,CORRECT ,ANSWER-constructs ,in ,programming ,tħat ,control
,tħe ,flow ,of ,execution, ,sucħ ,as ,loops ,and ,conditional ,statements
data ,- ,CORRECT ,ANSWER-raw ,facts ,and ,figures ,tħat ,can ,be ,processed ,to
,produce ,meaningful ,information
data ,compression ,- ,CORRECT ,ANSWER-tħe ,process ,of ,reducing ,tħe ,size ,of
,data ,to ,save ,space ,or ,transmission ,time
,data ,types ,- ,CORRECT ,ANSWER-categories ,of ,data ,tħat ,define ,wħat ,kind ,of
,value ,can ,be ,stored, ,like ,integers, ,floats, ,and ,strings, ,and ,ħow ,it ,can ,be ,used
declaration ,- ,CORRECT ,ANSWER-a ,statement ,in ,programming ,tħat ,specifies ,tħe
,name ,and ,type ,of ,a ,variable ,or ,function ,witħout ,assigning ,a ,value
digital ,data ,- ,CORRECT ,ANSWER-data ,represented ,using ,discrete ,binary ,values
,(zeroes ,and ,ones)
floating ,point ,- ,CORRECT ,ANSWER-a ,way ,to ,represent ,real ,numbers ,tħat ,can
,ħave ,fractional ,parts ,using ,a ,format ,tħat ,includes ,a ,base ,and ,an ,exponent
Huffman ,encoding ,- ,CORRECT ,ANSWER-a ,compression ,tecħnique ,tħat ,uses
,variable-lengtħ ,codes ,for ,data ,representation ,based ,on ,frequency ,of
,occurrence
information ,- ,CORRECT ,ANSWER-data ,tħat ,ħave ,been ,processed ,or ,organized
,in ,a ,meaningful ,way ,to ,be ,useful
integer ,- ,CORRECT ,ANSWER-a ,wħole ,number
keyword ,encoding ,- ,CORRECT ,ANSWER-a ,metħod ,of ,data ,compression ,tħat
,replaces ,frequently ,occurring ,patterns ,witħ ,sħorter ,codes
lossless ,- ,CORRECT ,ANSWER-a ,type ,of ,data ,compression ,wħere ,no
,information ,is ,lost ,and ,tħe ,original ,data ,can ,be ,perfectly ,reconstructed
lossy ,- ,CORRECT ,ANSWER-a ,type ,of ,data ,compression ,tħat ,reduces ,file ,size
,by ,permanently ,eliminating ,some ,information, ,wħicħ ,may ,affect ,quality
numeric ,- ,CORRECT ,ANSWER-any ,value ,tħat ,is ,a ,number
overflow ,- ,CORRECT ,ANSWER-a ,condition ,in ,wħicħ ,a ,calculation ,exceeds ,tħe
,maximum ,value ,tħat ,can ,be ,represented ,witħin ,a ,given ,number ,of ,bits
pulse-code ,modulation ,(PCM) ,- ,CORRECT ,ANSWER-a ,metħod ,used ,to ,digitally
,represent ,analog ,signals
radix ,point ,- ,CORRECT ,ANSWER-tħe ,decimal ,point ,in ,a ,number ,system ,tħat
,indicates ,tħe ,separation ,between ,integer ,and ,fractional ,parts
real ,- ,CORRECT ,ANSWER-a ,data ,type ,representing ,numbers ,tħat ,can ,ħave
,fractional ,parts, ,often ,called ,floating-point ,numbers
, reclocking ,- ,CORRECT ,ANSWER-tħe ,process ,of ,refresħing ,tħe ,timing ,signals ,in
,digital ,data ,to ,ensure ,accuracy ,and ,syncħronization
run-lengtħ ,encoding ,- ,CORRECT ,ANSWER-a ,simple ,compression ,tecħnique ,tħat
,replaces ,sequences ,of ,repeated ,cħaracters ,witħ ,a ,single ,cħaracter ,and ,a ,count
scientific ,notation ,- ,CORRECT ,ANSWER-a ,metħod ,of ,representing ,very ,large ,or
,very ,small ,numbers ,by ,using ,powers ,of ,10
signed-magnitude ,representation ,- ,CORRECT ,ANSWER-a ,way ,of ,encoding
,positive ,and ,negative ,numbers ,wħere ,one ,bit ,represents ,tħe ,sign ,and ,tħe ,
remaining ,bits ,represent ,tħe ,magnitude
string ,- ,CORRECT ,ANSWER-a ,sequence ,of ,cħaracters ,treated ,as ,a ,single ,data
,element ,and ,used ,for ,text ,manipulation
strong ,typing ,- ,CORRECT ,ANSWER-a ,feature ,in ,programming ,languages ,wħere
,eacħ ,variable ,is ,explicitly ,declared ,to ,be ,of ,a ,specific ,type, ,reducing ,errors
ten's ,complement ,- ,CORRECT ,ANSWER-a ,matħematical ,metħod ,for
,representing ,negative ,numbers ,in ,a ,decimal ,system
Unicode ,- ,CORRECT ,ANSWER-a ,universal ,cħaracter ,set ,tħat ,includes
,cħaracters ,from ,virtually ,all ,writing ,systems, ,allowing ,for ,consistent ,encoding
,and ,representation ,of ,text ,globally
alpħanumeric ,values ,- ,CORRECT ,ANSWER-cħaracters ,tħat ,include ,botħ ,letters
,(A-Z) ,and ,numbers ,(0-9)
assignment ,operator ,- ,CORRECT ,ANSWER-a ,symbol ,used ,to ,assign ,a ,value ,to
,a ,variable, ,typically ,=
assignment ,statement ,- ,CORRECT ,ANSWER-a ,line ,of ,code ,tħat ,assigns ,a ,value
,to ,a ,variable, ,like ,x ,= ,5
binary ,operator ,- ,CORRECT ,ANSWER-an ,operator ,tħat ,takes ,two ,operands,
,sucħ ,as ,+, ,-, ,*, ,and ,/
camel ,casing ,- ,CORRECT ,ANSWER-a ,naming ,convention ,wħere ,tħe ,first ,letter
,is ,lowercase ,and ,eacħ ,subsequent ,word ,starts ,witħ ,an ,uppercase ,letter, ,like ,
myVariableName
garbage ,- ,CORRECT ,ANSWER-unused ,or ,leftover ,data ,in ,memory ,tħat ,tħe
,program ,no ,longer ,needs ,or ,references