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ST D: XI I - HI RA NA ND AN I FO UN DA TI ON SC HO OL , PO W Ai PR EL IM IN AR Y EX AM IN AT IO N CO M PU TE R SC IE NC E PA PE R 1 (T HE OR Y) M AX .M AR KS : 70 DA TE : 25 -11 -20 24 TI M E: 3 ho ur s (Candidates ar e all ow ed addit ional 15 minutes fo-r on ly read ing th e paper. They mu st NO T start writing during this time.) --------------------------An sw er al l questions in Pa rt I (compulsory) an d six quest ions fro m Part-IL choosing two questions fro m Section-A, two fro m Section-B an d two fro m Section-C. Al l working, including rough work, sh ou ld be done on the sa me sh ee t as the The intended ma rk s fo r question s or pa rts of questions are giv en in brackets [ J. PA RT I - 20 M AR KS An sw er all questions. While an sw eri ng questions in thi s Part, indicate briefly yo ur working an d reasoning, wherever required. Qu es tio n 1 (i) (ii) 'A sse rti on : A 1 B=O C= l an d D= l and mi nte rm is A B' C D Re as on : A an d C mu st be co mplemented. W hic h on e of the following op tions is correct? (a) Bo th As se rti on an d Re aso n are true, and Re as on is the correct explanation fo r As ser tio n. (b)B oth As ser tio n an d Re as on are true, bu t Re as on is no t the correct ex pla na tio n fo r Asser tion. (c) Assertion is true an d Re as on is false. (d)Assertion is false an d Re as on is true. The Ca rdi na l su m- of- pro du ct ex pre ssi on of F(a, b, c) = a.b ' + a.c + b.c' is (a) :E( 1, 3, 5, 6,7) (b) a.b'.c + a.b'.c' +a .b. c + a.b .c' + a'.b.c' (c) a.b.c + a.b'.c +a .b. c Page 1 of 13 [1] [1]
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