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Jan 01, 2016
,,,.,,,,,.,,.
program..,.,,,(program design).
1, ,. 2, ,,,:,. 3,
(321,240),100,.
1, (x y) ,R,(statement)(QBASIC)LET x=320LET y=240LET R=100xR,(assignment),: (1)LETQBASIC,,(keyword),,LET.
(2)xR(variable).,.: LET R=100 LET R=200R,R,R. (3)320,240,100.(constant).QBASIC,:COMPUTER,S=,2008,.(4),=.,:,x=x+1,: LET x=x+1
(5).LET a=10LET a$=good gream come true!(6)LET.,:
CIRCLE (X Y) ,r,4 .(x y),r,4() ,16,(0~15)1-1-1.
SCREEN 13,256.:PAINT (x ,),(x y),4()
,QBASIC,(LET),(READ/DATA)(INPUT),QBSIC,QBSIC(SCREEN,CIRCLE,PAINT)ABSIC.