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SRI RAMAKRISHNA INSTITUTE OF TECHNOLOGY COIMBATORE – 641 010. DEPARTMENT OF INFORMATION TECHNOLOGY B.Te ch (IT II YEAR (III SEMESTER DIGITA L PRINCIPLES AND SYSTEM DESIGN TWO MARK QUESTIONS WITH ANSWERS (For ALL units) 1.Defne te ter! "i#it$%. Te ter! "i#it$% re&ers to $n' roess t$t is $o!%ise" usin# "isrete Units *.W$t is !e$nt +' +it, A +in$r' "i#it is $%%e" +it -. W$t is te +est e$!%e o& "i#it$% s'ste!, Di#it$% o!uter is te +est e$!%e o& $ "i#it$% s'ste!. /.Defne +'te, A #rou o& 0 +its. .List te nu!+er s'ste!s, i) Dei!$% Nu!+er s'ste! ii) 2in$r' Nu!+er s'ste! iii) Ot$% Nu!+er s'ste! i3) He$"ei!$% Nu!+er s'ste! 4.St$te te se5uene o& oer$tor ree"ene in 2oo%e$n eression, i) 6$rentesis ii) AND iii) OR 7.W$t is te $++re3i$tion o& AS8II $n" E28DI8 o"e, AS8II9A!eri$n St$n"$r" 8o"e &or In&or!$tion Inter$n#e. E28DI89Eten"e" 2in$r' 8o"e" Dei!$% In&or!$tion 8o"e. 0.W$t $re te uni3ers$% #$tes, NAND $n" NOR :.W$t $re te "i;erent t'es o& nu!+er o!%e!ents, i) r<s 8o!%e!ent ii) (r91)<s 8o!%e!ent. 1=.W' o!%e!entin# $ nu!+er reresent$tion is nee"e", 8o!%e!entin# $ nu!+er +eo!es $s in "i#it$% o!uter &or si!%i&'in# te su+tr$tion oer$tion $n" &or %o#i$% !$niu%$tion o!%e!ents $re use". 11.Ho> to reresent $ ositi3e $n" ne#$ti3e si#n in o!uters, 6ositi3e (?) si#n +' = Ne#$ti3e (9) si#n +' 1.

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