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8/18/2019 computersystem-131203140601-phpapp01.ppt
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BASICS
OF THE COMPUTER SYSTEM
DESH BHAGAT COLLEGE
OF EDUCATION
PRESENTED BY:
NAVNEET KAUR
1046
.
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COMPUTER SYSTEM
•In basic term, a computer is an eectronic !e"ice t#atIn basic term, a computer is an eectronic !e"ice t#at processes !ata, con"ertin$ it into in%ormation t#at is use%u processes !ata, con"ertin$ it into in%ormation t#at is use%uto peope&to peope&
•An' computer( re$ar!ess o% its t'pe( is controe! b'An' computer( re$ar!ess o% its t'pe( is controe! b' pro$ramme! instructions, )#ic# $i"es t#e mac#ine a pro$ramme! instructions, )#ic# $i"es t#e mac#ine a purpose an! te it )#at to !o& purpose an! te it )#at to !o&
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INPUT AND OUTPUT DEVICES
Input D!"#$:
%KEYBOARD:%&OUSE%'OYSTICK%SCANNER:
%DIGITAL CA&ERA%TOUCH SCREEN
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THE *EYBOAR+
• T#e e'boar! )as one o% t#e %irst perip#eras to be use!
)it# computers
• it is sti t#e primar' input !e"ice %or enterin$ te-t an!numbers&
• A stan!ar! e'boar! incu!es about .// e's0 eac# e'
sen!s a !i%%erent si$na to t#e CPU&
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THE MOUSETHE MOUSE
• It is a pointin$ !e"ice&
• A mouse is an input !e"ice t#at 'ou can mo"e aroun!
on a %at sur%ace an! contro t#e pointer&• T#e pointer is an on(screen ob1ect, usua' an arro),
t#at is use to seect te-t, access menus, an! interact)it# pro$rams, %ies, or !ata t#at appear on t#e
screen&
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Output +e"ices• MO2ITOR
• SPEA*ER
• PRI2TER
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&ONITOR
%T#e monitor is t#e piece o% computer #ar!)are
%Monitor !ispa's t#e "i!eo an! $rap#icsin%ormation $enerate! b' t#e computer t#rou$# t#e
"i!eo car!&
http://pcsupport.about.com/od/termshm/g/hardware.htmhttp://pcsupport.about.com/od/componentprofiles/p/p_video.htmhttp://pcsupport.about.com/od/componentprofiles/p/p_video.htmhttp://pcsupport.about.com/od/termshm/g/hardware.htm
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SPEAKER
%A #ar!)are !e"ice connecte! to a computer3s soun!
car!t#at outputs soun! $enerate! b' t#e computer&
%A speaker is a term use! to !escribe t#e user )#o
is $i"in$ "oca comman!s to a so%t)are pro$ram&
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THANK(S
EVERYBODY