AQA GCSE COMPUTER SCIENCE Paper 2 Computing concepts JUNE 2024 Combined Question Paper and Mark Sche

Pleasecwritecclearlycincblockccapitals.

Centrecnumber Candidatecnumber


Surname c




Forename(s) c




Candidatecsignature c

Icdeclarecthisciscmycowncwork.



GCSE
COMPUTER SCIENCE c




Paper 2 Computing Concepts
c c c




Time allowed: 1 hour 45 minutes
c c c c c



ForcExaminer’scUse
Materials
 Therecarecnocadditionalcmaterialscrequiredcforcthiscpaper. Question Mark
 Youcmustcnotcusecaccalculator.
1–2

Instructions 3
 Usecblackcinkcorcblackcball-pointcpen.c Usecpencilconlycforcdrawing. 4–5
 Answercallcquestions. 6–7
 Youcmustcanswercthecquestionscincthecspacescprovided.
8–11
 Ifcyoucneedcextracspacecforcyourcanswer(s),cusectheclinedcpagescatcthecendcofct
hiscbook.c Writecthecquestioncnumbercagainstcyourcanswer(s). 12–13
 Docallcroughcworkcincthiscbook.cCrosscthroughcanycworkcyoucdocnotcwantcto 14
cbecmarked.
15–16

Information 17
Thectotalcnumbercofcmarkscavailablecforcthiscpapercisc90. 18

TOTAL
Advice

Forcthecmultiple-choicecquestions,ccompletelycfillcinctheclozengecalongsidecthecappropriatecanswer.
CORRECTcMETHOD WRONGcMETHODS

Ifcyoucwantctocchangecyourcanswercyoucmustccrosscoutcyourcoriginalcanswercascshown.
Ifcyoucwishctocreturnctocancanswercpreviouslyccrossedcout,cringcthecanswercyoucnowcwishctocselectcascs
hown.




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Answercallcquestions. e box




0 1 . 1 Convertcthecbinarycnumberc11010100cintocdecimal.
[1cmark]




0 1 . 2 Convertcthecbinarycnumberc10111001cintochexadecimal.

Youcshouldcshowcyourcworking.
[2cmarks]




0 1 . 3 Statectheclargestcdecimalcnumbercthatccancbecrepresentedcusingc6cbits.
[1cmark]




0 2 . 1 Addctogethercthecfollowingcthreecbinarycnumberscandcgivecyourcanswercincbinary.
[2cmarks]

0 0 1 1 0 1 1 0
1 0 0 1 0 0 1 0
+ 0 0 1 0 0 0 0 1




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0 2 . 2 Applycacbinarycshiftcthreecplacesctocthecrightconcthecbitcpatternc10101000 e box



Givecthecresultcusingc8cbits.
[1cmark]




Thecarithmeticceffectcofcapplyingcacleftcbinarycshiftcofctwoctocacbinarycnumbercisctocm
ultiplycthatcnumbercbycfour.

0 2 . 3 Statecthecarithmeticceffectcofcapplyingcacleftcbinarycshiftcofcfourctocacbinarycnumber.
[1cmark]




0 2 . 4
Statecthecarithmeticceffectcofcapplyingcacleftcbinarycshiftcofcthreecfollowedcbycac
rightcbinarycshiftcofcfivectocacbinarycnumber.
[1cmark]



9




Turncovercforcthecnextcquestion




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