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Computing : F452

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    Hello!

    does anyone have the cheif examiner's notes for f452? please help
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    Hello, you don't see which year or sessions you are looking for, so here are all of them.

    Jan '09
    June '09

    Jan '10
    June '10

    Jan '11
    June '11

    Inside the PDF, just do a search for "F452" and you'll be able to find the section you are looking for.
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    (Original post by ReeceL)
    Hello, you don't see which year or sessions you are looking for, so here are all of them.

    Jan '09
    June '09

    Jan '10
    June '10

    Jan '11
    June '11

    Inside the PDF, just do a search for "F452" and you'll be able to find the section you are looking for.
    thanks
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    Hi,

    Apologies for what might seem a really dumb question - I'm learning the AS with a friend as our sixth form doesn't offer Computing.

    What does it mean when a subroutine is *called* or when a recursion "calls" itself?

    Cheers
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    (Original post by john.harvey93)
    Hi,

    Apologies for what might seem a really dumb question - I'm learning the AS with a friend as our sixth form doesn't offer Computing.

    What does it mean when a subroutine is *called* or when a recursion "calls" itself?

    Cheers
    basically it means when there is a main set of instructions and when the subroutine is called it jumps to the subroutine set of instructions, executes them, then jumps back to the main set of instructions
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    (Original post by john.harvey93)
    Hi,

    Apologies for what might seem a really dumb question - I'm learning the AS with a friend as our sixth form doesn't offer Computing.

    What does it mean when a subroutine is *called* or when a recursion "calls" itself?

    Cheers
    Here, I'll show you with an example. I'll use Pascal as the language for it's fairly similar across most languages.
    Code:
    program example;
    
    procedure example_procedure (arguments) //declaring the procedure
    begin
            <statements>
            example_procedure(arguments)         // calling the procedure from within itself is called recursion
    end;          //procedure is over
    
    begin       // main body of code 
    var example_integer : integer;        //declaring a variable type integer
    
    example_integer = example_procedure(example_integer) //calling the procedure with argument 
    
    
    end.      //program is over

    Hope this helped, I just got up and I'm writing this from an extremely laggy iPhone. If there are mistakes, someone please correct them.

    -Ino

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