3.23 COMPUTER STUDIES (451) More Past Papers at www ...

3.23 COMPUTER STUDIES (451) &RPSXWHU 6WXGLHV 3DSHU

More Past Papers at

6(&7,21 $ PDUNV

$QVZHU DOO WKH TXHVWLRQV LQ WKLV VHFWLRQ LQ WKH VSDFHV SURYLGHG

:ULWH HDFK RI WKH IROORZLQJ DFURQ\PV LQ IXOO DV XVHG LQ FRPSXWLQJ

PDUNV

D &$'

E '9' F :250 G 326 $ VFKRRO NHHSV VWXGHQW UHFRUGV LQ D GDWDEDVH 7KH GDWD LV FRGHG EHIRUH HQWU\ 6WDWH WKUHH UHDVRQV ZK\ WKH FRGLQJ LV QHFHVVDU\

PDUNV

'LIIHUHQWLDWH EHWZHHQ %FF DQG FF LQ DQ HPDLO

PDUNV

6WDWH WKUHH ULVNV SRVHG E\ LPSURSHU FDEOLQJ LQ D FRPSXWHU ODERUDWRU\

PDUNV

/LVW WZR FDUHHU RSSRUWXQLWLHV GLUHFWO\ DVVRFLDWHG ZLWK FRPSXWHU QHWZRUNLQJ

PDUNV

$ UHWDLOHU XVHV D VSUHDGVKHHW SURJUDP WR FDOFXODWH SUR?WV )LJXUH VKRZV WKH VSUHDGVKHHW

$ ,WHPV

,WHP ,WHP ,WHP ,WHP

%

&RVW 3ULFH

&

'

6HOOLQJ 3UR?W 3ULFH SHU ,WHP

(

,WHPV VROG

)

7RWDO 3UR?W

)LJXUH

D :KLFK URZ FRQWDLQV ODEHOV RQO\"

PDUN

E :ULWH WKH IRUPXOD WKDW KDV EHHQ HQWHUHG LQ FHOO )

PDUNV

6WDWH WKUHH UHDVRQV ZK\ DQ RUJDQLVDWLRQ PD\ RSW WR GHYHORS LWV RZQ VRIWZDUH LQ KRXVH UDWKHU

WKDQ EX\ RII WKH VKHOI VRIWZDUH

PDUNV

More Past Papers at

7KH WRSRORJ\ EHORZ LV IRUPHG E\ FRPELQLQJ WZR W\SHV RI WRSRORJLHV

)LJXUH

D *LYH RQH QDPH IRU WKH FRPELQHG WRSRORJ\ LQ ?JXUH

PDUN

E 1DPH WKH WZR WRSRORJLHV IRUPLQJ WKH FRPELQHG WRSRORJ\ LQ ?JXUH

PDUNV

$Q RUJDQLVDWLRQ LQWHQGV WR UHSODFH DQ H[LVWLQJ V\VWHP E\ FDUU\LQJ RXW WKH SURFHVV LQ VWDJHV

D 1DPH WKLV LPSOHPHQWDWLRQ VWUDWHJ\

PDUN

E *LYH WZR UHDVRQV ZK\ WKH RUJDQLVDWLRQ LV RSWLQJ WR XVH WKH LPSOHPHQWDWLRQ VWUDWHJ\ LQ

D DERYH

PDUNV

D ([SODLQ WKH LPSRUWDQFH RI GLVN SDUWLWLRQLQJ

PDUNV

E 'LIIHUHQWLDWH EHWZHHQ SXOOGRZQ PHQX DQG SRSXS PHQX DV XVHG LQ *UDSKLFDO 8VHU

,QWHUIDFH *8, RSHUDWLQJ V\VWHPV

PDUNV

7KH VW FHQWXU\ KDV KDG PDQ\ IRUPV RI ,&7 WHFKQRORJLHV LPSURYLQJ WKH YDULRXV PHDQV RI FRPPXQLFDWLRQ +RZHYHU WKHVH FKDQJHV KDYH EURXJKW PDQ\ FKDOOHQJHV

6WDWH WKUHH QHJDWLYH VRFLDO LPSDFWV RI WKHVH WHFKQRORJLHV

PDUNV

([SODLQ ZK\ D '73 DSSOLFDWLRQ ZRXOG EH SUHIHUUHG WR D ZRUG SURFHVVLQJ DSSOLFDWLRQ ZKHQ GHVLJQLQJ D SXEOLFDWLRQ

PDUNV

$ FRPSXWHU LV LGOH EXW WKH KDUG GLVN OLJKW LV EOLQNLQJ LQGLFDWLQJ VRPH DFWLYLW\

6WDWH WZR SRVVLEOH FDXVHV RI WKLV

PDUNV

'HVFULEH FRPSDWLELOLW\ DV D IDFWRU WR FRQVLGHU ZKHQ SXUFKDVLQJ D FRPSXWHU

PDUNV

,GHQWLI\ WKH DSSURSULDWH RXWSXW GHYLFH IRU WKH SURGXFWLRQ RI HDFK RI WKH IROORZLQJ

D UHFHLSWV ZKHUH FDUERQ FRSLHV DUH UHTXLUHG

PDUN

More Past Papers at

E DQ DUFKLWHFWXUDO GUDZLQJ ZKHUH SUHFLVLRQ LV UHTXLUHG

PDUN

F RXWSXW ZKHUH WKH XVHU LV YLVXDOO\ LPSDLUHG

PDUN

6(&7,21 % PDUNV

$QVZHU TXHVWLRQ DQG DQ\ RWKHU 7+5(( TXHVWLRQV IURP WKLV VHFWLRQ LQ WKH VSDFHV SURYLGHG

D )LJXUH VKRZV D ?RZFKDUW 8VH LW WR DQVZHU WKH TXHVWLRQV WKDW IROORZ

L 'HWHUPLQH WKH RXWSXW IURP WKH ?RZFKDUW LI

,

;

,, ;

PDUNV PDUNV

LL :ULWH D 3VHXGRFRGH IRU WKH ?RZFKDUW LQ ?JXUH

PDUNV

LLL 0RGLI\ WKH ?RZFKDUW VR WKDW LW FDQ EH XVHG WR JHW WKH VXP RI LQWHJHUV EHWZHHQ

DQG

PDUNV

E /LVW WZR SURJUDPPLQJ ODQJXDJH WUDQVODWRUV

PDUNV

More Past Papers at

D 'HVFULEH WKUHH W\SHV RI YDOLGDWLRQ FKHFNV DV XVHG LQ GDWD SURFHVVLQJ

PDUNV

E $ FRPSDQ\ KDV RSWHG WR VWRUH LWV HPSOR\HHV? SHUVRQDO GHWDLOV LQ D FRPSXWHU V\VWHP

'HVFULEH WZR VRIWZDUH PHWKRGV WKDW PD\ EH XVHG WR SUHYHQW XQDXWKRUL]HG DFFHVV WR

WKHVH GHWDLOV

PDUNV

F L 'HVFULEH HDFK RI WKH IROORZLQJ GDWD SURFHVVLQJ PRGHV

,

UHDO WLPH

,, LQWHUDFWLYH

PDUNV PDUNV

LL 6WDWH DQ DSSOLFDWLRQ DUHD ZKHUH UHDO WLPH GDWD SURFHVVLQJ PRGH LV DSSOLHG

PDUN

)LJXUH IROORZ

VKRZV DQ DGYHUW SODFHG LQ D QHZVSDSHU 8VH LW WR DQVZHU WKH TXHVWLRQV WKDW

1(: $55,9$/6 /$3 723 &20387(5

+''

:LQGRZV

*%

+RPH (GLWLRQ

.VK &$//

5$0

)UHH 6XLWH

0%

:RUG SURFHVVRU

&ORFN 6SHHG

6SUHDGVKHHW

*+] [

'73

2SWLFDO 'ULYH

3UHVHQWDWLRQ

'9'

,QWHUQHW EURZVHU

6FUHHQ

(PDLO

LQFKHV

.H\ERDUG 0RXVH 0RGHP

3DUDOOHO SRUW 86% VHULDO

27+(5 3&V $9$,/$%/(

)LJXUH

D L 'H?QH D ODSWRS FRPSXWHU

PDUN

LL 7KH VFUHHQ LV VDLG WR EH LQFKHV ([SODLQ ZKDW WKLV PHDQV

PDUNV

E 6WDWH RQH DGYDQWDJH RI KDYLQJ HDFK RI WKH IROORZLQJ SURYLGHG ZLWK D ODSWRS

L PRGHP

LL 86%

LLL IUHH VXLWH

PDUNV

More Past Papers at

More Past Papers at

F 6WDWH WKH VRIWZDUH SDFNDJH LQ WKH IUHH VXLWH ZKLFK LV PRVW VXLWDEOH IRU HDFK RI WKH IROORZLQJ

L FRPSXWLQJ EXGJHWV

LL FUHDWLQJ GRFXPHQWV

LLL GHVLJQLQJ RI EURFKXUHV

LY UHFRUGV PDQDJHPHQW

PDUNV

G L 6WDWH WKUHH DGYDQWDJHV RI XVLQJ D FRPSXWHU WR GHVLJQ DQ DGYHUW VXFK DV WKH RQH

LQ )LJXUH

PDUNV

LL 6WDWH WZR EHQH?WV RI KDYLQJ WKH DGYHUW XSORDGHG RQ WKH LQWHUQHW

PDUNV

$ ZRUNHU LV XQDEOH WR WUDYHO WR WKH RI?FH EXW PD\ VWLOO EH DEOH WR GR WKH RI?FH ZRUN WKURXJK WHOHFRPPXWLQJ

D ([SODLQ ZK\ WKH ZRUNHU PD\ XVH HDFK RI WKH IROORZLQJ

L HPDLO

PDUNV

LL ID[

PDUNV

LLL GLJLWDO FDPHUD

PDUNV

LY ?UHZDOO

PDUNV

E 7KH ZRUNHU QHHGV WR PDNH UHJXODU EDFNXSV RI GRFXPHQWV VHQW WR WKH RI?FH 6WDWH WKUHH UHDVRQV IRU WKLV

PDUNV

F ([SODLQ WZR EHQH?WV WKDW WKH HPSOR\HU ZLOO JHW E\ DOORZLQJ WKLV ZRUNHU WR GR WKH

RI?FH ZRUN WKURXJK WHOHFRPPXWLQJ

PDUNV

D L 'LIIHUHQWLDWH EHWZHHQ RQH?V FRPSOHPHQW DQG WZR?V FRPSOHPHQW LQ GDWD

UHSUHVHQWDWLRQ

PDUNV

LL ([SODLQ WKH SUHIHUHQFH RI ELQDU\ QXPEHU V\VWHPV RYHU GHFLPDO QXPEHU V\VWHPV

LQ FRPSXWHUV

PDUNV

E L 8VLQJ RQH?V FRPSOHPHQW VXEWUDFW IURP

PDUNV

LL &RQYHUW WKH QXPEHU

WR LWV ELQDU\ HTXLYDOHQW

PDUNV

F 3HUIRUP WKH IROORZLQJ ELQDU\ RSHUDWLRQV

PDUNV

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download