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HOW CPU
WORKS !!By: FONG JIA HONG 4C, YEW CHUN YI 4C,
RICKIE SOO 4C,
LAI WENG HONG 4C.
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Introduction
• The CPU (Central Processin Unit " #hich is alsocalle$
%icro&rocessor or &rocessor " is in chare o'&rocessin
$ata
•
Ho# it #ill &rocess $ata #ill $e&en$ on the
&rora%• The &rora% can )e a s&rea$sheet* a
#or$
&rocessor or a a%e+ 'or the CPU it %a,es no$i-erence* since
it $oesn.t /n$erstan$ #hat the&rora% is act/all0 $oin
•
It 1/st 'ollo#s the or$ers (calle$ co%%an$s orinstr/ctions
containe$ insi$e the &rora%
• These or$ers co/l$ )e to a$$ t#o n/%)ers or tosen$ a &iece
o' $ata to the 2i$eo car$
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Ho" It Wor#$When 0o/ $o/)le clic, on an icon to r/n a
&rora%* here is#hat ha&&ens+
6 The &rora%* #hich is store$ insi$e the har$ $is, $ri2e*
istrans'erre$ to the RA3 %e%or0 A &rora% is a series o'
instr/ctions to the CPU8 The CPU* /sin a circ/it calle$ %e%or0
controller* loa$sthe &rora% $ata 'ro% the RA3 %e%or0
9 The $ata* no# insi$e the CPU* is &rocesse$
4 What ha&&ens ne:t #ill $e&en$ on the &rora%
The CPU
co/l$ contin/e to loa$ an$ e:ec/tin the &rora% or co/l$$o
so%ethin #ith the &rocesse$ $ata* li,e $is&la0inso%ethin on
the screen
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Ho" $tor%d d&t& i$ tr&n$'%rr%d to
t(% CPU
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Conc)u$ionCo%&/ter #or,in &rocess is a
co%)ination o' in&/t an$ o/t&/t $e2icesWitho/t one o'
the% *the co%&/tercannot #or, s%oothl0
We sho/l$ )e a&&reciate the creation o'co%&/ter
*#itho/t the% o/r technolo0#ill not )e i%&ro2e$ an$ it
#illincon2enient in o/r li'e
