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BIT2223-Computer Architecture -Test 1-September 2014

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  September 2014 Test 1 BIT2223 ã   COMPUTER ARCHITECTURE BIT2223 ã   COMPUTER ARCHITECTURE   Test 1 Faculty : Information Communication Technoloy!ate !ay: !uration: 3 hour# INFORMATION FOR CANDIDATE $%Thi# e&amination i# 'orth 40%  of the o(erall #eme#ter a##e##ment%2%The total num)er of mar*# a(aila)le for thi# e&amination i# 65 %3%Thi# e&amination +a+er contain# THREE (3)  #ection# in FOUR (4)  +rinte, +ae# including the co(er +ae% INSTRUCTIONS TO CANDIDATE $%An#'er A-- .ue#tion# in /ection A,     an, C 2%0rite all your an#'er# in the an#'er )oo*let +ro(i,e,% 3%If you ma*e a mi#ta*e +lea#e +ut a #inle ,iaonal line throuh the #ection you'i#h to )e inore, )y the e&aminer%1%Return all e&amination +a+er# an, #cri+t# u+on com+letion of the e&aminationinclu,in any 'or*in#% Limkokwing University of Creative TechnologyPage 1 of !ac lty of # siness $anagement % &lobalisation  September 2014 Test 1 BIT2223 ã   COMPUTER ARCHITECTURE S!c i#n A (An$!& 'll u!$ i#n$)   T# 'l M'&*$ +5 a%0hat eneral cateorie# of function# are #+ecifie, )y com+uter in#truction# 4 mar*#5 )%-i#t an, )riefly ,efine t'o a++roache# to ,ealin 'ith multi+le interru+t#% 1mar*#5c%For each of the follo'in ca#e#6 #tate 'hether /RAM# or !RAM# 'oul, )e more a++ro+riate )uil,in )loc*# for the memory #y#tem6 an, #tate 'hy% A##ume that there i# only one le(el of internal memory% i%A memory #y#tem 'here +erformance i# the mo#t im+ortant oal% ii%A memory #y#tem 'here co#t i# the mo#t im+ortant factor% 3 7 2 mar*#5 ,%!efine the term#: #ee* time6 rotational ,elay6 acce## time an, tran#fer time% 4 mar*#5 Limkokwing University of Creative TechnologyPage 2 of !ac lty of # siness $anagement % &lobalisation  September 2014 Test 1 BIT2223 ã   COMPUTER ARCHITECTURE S!c i#n  (An$!& 'll u!$ i#n$) T# 'l M'&*$ +-  $% The ,iaram )elo' #ho'# a $89M)it !RAM% I,entify an, #tate the function of each +in%  mar*#52% -et u# a##ume a ,i#* 'ith rotational #+ee, of $;6<<< r+m6 ;$2 )yte# +er #ector6 1<< #ector#  +er trac* an, $<<< trac*# on the ,i#*6 a(erae #ee* time i# 1m#% 0e 'ant to tran#mit a file of #i=e $ MByte6 'hich i# #tore, contiuou#ly on the ,i#*% a% 0hat i# the tran#fer time for thi# file  )% 0hat i# the a(erae acce## time for thi# file c% 0hat i# the rotational ,elay in thi# ca#e ,% 0hat i# the total time to rea, $ #ector e% 0hat i# the total time to rea, $ trac* 3 7 2 7 2 7 2 7 2 mar*#53% A manetic ,i#* 'ith ; +latter# ha# 2<14 trac*# +latter6 $<21 #ector# trac* >fi&e, num)er of #ector# +er trac*?6 an, ;$29)yte #ector#% 0hat i# it# total ca+acity 3 mar*#51% !efine the follo'in for a ,i#* #y#tem:t #  @ #ee* time a(erae time to +o#ition hea, o(er trac* r @ rotation #+ee, of the ,i#* in re(olution# +er #econ,n @ num)er of )it# +er #ector   @ ca+acity of a trac* in )it#t A  @ time to acce## a #ector  Limkokwing University of Creative TechnologyPage  of !ac lty of # siness $anagement % &lobalisation  September 2014 Test 1 BIT2223 ã   COMPUTER ARCHITECTURE!e(elo+ a formula for t A  a# a function of the other +arameter#% ; mar*#5 S!c i#n C (An$!& 'll u!$ i#n$)   T# 'l M'&*$ .+ Con#i,er a #im+le e&am+le u#in a hy+othetical machine that inclu,e# the characteri#tic# li#te, )elo'% Both in#truction# an, ,ata are $8 )it# lon% U#e the format #ho'n in cla##% In !&n'l C/U &!gi$ !&$ Proram counter >PC? @ A,,re## of in#tructionIn#truction rei#ter >IR? @ In#truction )ein e&ecute,Accumulator >AC? @ Tem+orary #torae /'& i'l li$ # #1c#d!$ <<<$ @ -oa, AC from memory<<$< @ /tore AC to memory<<$$ @ !i( to AC from memory<$<$ @ /tore AC from memory/ho' the +roram e&ecution of thi# e.uation  @ A B% A##ume that the +roram #tart# to e&ecute memory a,,re## 3<<% $2 mar*#5 Limkokwing University of Creative TechnologyPage 4 of !ac lty of # siness $anagement % &lobalisation
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