A structure chart shows the modular structure of a program: [Figure X.X showing a structure chart with Module-A() calling Sub-Y1(), Sub-Y2(), and Sub-9(). Arrows T1, RA, SA, RB indicate data/control flow. A curved arrow starts and ends at Module-A().]

1. (a)Explain the meaning of the curved arrow symbol which begins and ends at Module-A().[2]
2. (b)(i)The structure chart shows that Sub-9() is a function. A Boolean value is returned by Sub-9() for processing by Module-A(). The original parameter RA is of type integer and RB is of type string. A record type MyType will be defined with three fields to store the values passed between the two modules. Write pseudocode to define MyType.[3]
3. (b)(ii)The design is modified and Sub-9() is changed to a procedure. The procedure will be called with a single parameter of type MyType. Write the pseudocode header for procedure Sub-9().[2]

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