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Assignment

Assume variable x is local to the main module and to moduleG in the following pseudocode. The statement numbers next to the code is not part of the code and is only given for reference. Answer the questions (a-c) following the pseudocode.

Statement number

Main

BEGIN

x = 1

moduleG(6)

IF (x < 4) THEN

x = moduleH(-1, 3)

ELSE

x = moduleH(10, 20)

ENDIF

DISPLAY x

END

moduleG(var1)

BEGIN

x = 5

sum= x + var1

DISPLAY sum

END

moduleH(var1, var2)

BEGIN

sum = var1 + var

RETURN sum

END

What is the expected output of the algorithm if the main module is invoked?

Briefly explain how you determined the expected output. [4 marks]

Draw the structure chart with the data type exchanged between modules. [3 marks]

Use the provided statement numbers to write down the order of statements executed. Include all statement numbers except module names and other statements such as BEGIN, END, ELSE and ENDIF.

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