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Draw a flowchart and write a program in QBASIC to display the sum of the first 10 terms of the series S = 1 + 2 + 4 + 8 + …….

QBASIC: For-Next Statements

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Answer

Flowchart

Draw a flowchart and write a program in QBASIC to print the first 10 terms of the series: S = 1 + 2 + 4 + 8. Class 7 ICSE Understanding Computer Studies

QBASIC Program

Cls
Let A = 1
Let S = 0
For I = 1 To 10
    S = S + A
    A = A + A
Next I
Print "Sum = "; S
End

Output

Sum = 1023

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