1
AS
COMPUTER SCIENCE i
7516/2
Paper 2 i
Mark scheme
i
June 2020
i
Version: i1.0 iFinal
Page 1 of 22
,*206A75162/MS*
, MARK i SCHEME i – i AS i COMPUTER iSCIENCE i – i 7516/2 i – iJUNE i 2020
Mark ischemes iare iprepared iby ithe iLead iAssessment iWriter iand iconsidered, itogether iwith ithe irelevant
iquestions, iby ia ipanel iof isubject iteachers. iThis imark ischeme iincludes iany iamendments imade iat ithe
istandardisation ievents iwhich iall iassociates iparticipate iin iand iis ithe ischeme iwhich iwas iused iby ithem iin
ithis iexamination. iThe istandardisation iprocess iensures ithat ithe imark ischeme icovers ithe istudents’
iresponses ito iquestions iand ithat ievery iassociate iunderstands iand iapplies iit iin ithe isame icorrect iway.
As ipreparation ifor istandardisation ieach iassociate ianalyses ia inumber iof istudents’ iscripts. iAlternative
ianswers inot ialready icovered iby ithe imark ischeme iare idiscussed iand ilegislated ifor. iIf, iafter ithe
istandardisation iprocess, iassociates iencounter iunusual ianswers iwhich ihave inot ibeen iraised ithey iare
irequired ito irefer ithese ito ithe iLead iExaminer.
It imust ibe istressed ithat ia imark ischeme iis ia iworking idocument, iin imany icases ifurther ideveloped iand
iexpanded ion ithe ibasis iof istudents’ ireactions ito ia iparticular ipaper. iAssumptions iabout ifuture imark
ischemes ion ithe ibasis iof ione iyear’s idocument ishould ibe iavoided; iwhilst ithe iguiding iprinciples iof
iassessment iremain iconstant, idetails iwill ichange, idepending ion ithe icontent iof ia iparticular iexamination
ipaper.
Further icopies iof ithis imark ischeme iare iavailable ifrom iaqa.org.uk
3
AS
COMPUTER SCIENCE i
7516/2
Paper 2 i
Mark scheme
i
June 2020
i
Version: i1.0 iFinal
Page 1 of 22
,*206A75162/MS*
, MARK i SCHEME i – i AS i COMPUTER iSCIENCE i – i 7516/2 i – iJUNE i 2020
Mark ischemes iare iprepared iby ithe iLead iAssessment iWriter iand iconsidered, itogether iwith ithe irelevant
iquestions, iby ia ipanel iof isubject iteachers. iThis imark ischeme iincludes iany iamendments imade iat ithe
istandardisation ievents iwhich iall iassociates iparticipate iin iand iis ithe ischeme iwhich iwas iused iby ithem iin
ithis iexamination. iThe istandardisation iprocess iensures ithat ithe imark ischeme icovers ithe istudents’
iresponses ito iquestions iand ithat ievery iassociate iunderstands iand iapplies iit iin ithe isame icorrect iway.
As ipreparation ifor istandardisation ieach iassociate ianalyses ia inumber iof istudents’ iscripts. iAlternative
ianswers inot ialready icovered iby ithe imark ischeme iare idiscussed iand ilegislated ifor. iIf, iafter ithe
istandardisation iprocess, iassociates iencounter iunusual ianswers iwhich ihave inot ibeen iraised ithey iare
irequired ito irefer ithese ito ithe iLead iExaminer.
It imust ibe istressed ithat ia imark ischeme iis ia iworking idocument, iin imany icases ifurther ideveloped iand
iexpanded ion ithe ibasis iof istudents’ ireactions ito ia iparticular ipaper. iAssumptions iabout ifuture imark
ischemes ion ithe ibasis iof ione iyear’s idocument ishould ibe iavoided; iwhilst ithe iguiding iprinciples iof
iassessment iremain iconstant, idetails iwill ichange, idepending ion ithe icontent iof ia iparticular iexamination
ipaper.
Further icopies iof ithis imark ischeme iare iavailable ifrom iaqa.org.uk
3
