7 useful QBasic programs and graphics,programming language software.

QBasic is a programming language developed by Microsoft in 1985.It is the successor of earlier forms of BASIC (Beginners All-Purpose Symbolic Instruction Code).QBasic is an ideal programming language for beginners because of its simple commands, improved programming structures,better graphics and flexibility.It is an integrated development environment (IDE) to write, edit, debug and execute basic programs.

Now lets review some Qbasic programs.

1. This program is used for draw an isosceles triangle with horizontal base.

           SCREEN 7

           COLOR4,14

           CLS

           PRINT "This is a Triangle"

           LINE(160,30)-(250,180),4

           LINE(250,180)-(70,180),2

           LINE(70,180)-(160,30),1

           END

    2.This program is used for draw boxes with Line segment.

           SCREEN 7

           COLOR5,15

           CLS

           LINE(60,60)-(130,100),6,B

           The letter B indicates the box option.In this statement,the coordinates (60,60) and                         (130,100) are the opposite corners of the rectangle.

           To fill the box with the desired colour shade,add BF(box fill) option.
           
            SCREEN 7
            COLOR5,15
            CLS
            PRINT "This is a Rectangle"
            LINE(60,60)-(130,100),6,BF
     
     3.This program is used to generate musical notes.The codes used to produce different                 musical notes are as follows:
   
        PLAY "ABCDEFGA"]
        END

      4.This program is used to draw a circle,eclipse or an arc of a circle.

         SCREEN 7
         COLOR4,14,5
         CLS
         PRINT "This is a Circle"
         CIRCLE(160,100),70,15
         END 

      5.This Program is to print table of 12(upto 5 times only.)

          CLS
          FORA=1 TO 5
          PRINT"12*";A;"=";12*A
          NEXTA
          END

      6.Program to display your name nine times on the screen.
   
         CLS
         REM PRINT YOUR NAME
         INPUT "NAME PLEASE";N$
         FOR  X=1 TO 9
         PRINT N$
         NEXT X
         END

     7.Program to print first five odd numbers.

        CLS
        FOR L=1 TO 10 STEP 2
        PRINT L
        NEXT L
        END