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Depends on the application. It's probably more common for arrays to be indexed from 0 rather than from 1.

I'm getting old! (well older at least!!!) How do u expect me to remember that!!!! lol send me an email to pedc@pedc.com.au and I'll email you a corrected chapter 4. I remember now, so if you want chapter 9 as well then let me know.

I just worked out what it is!!!! You're too scabby to buy the real book and you've downloaded an unedited sample chapter from the web ;) . I thought either you or I were going mad for a minute there!!!

I think you must have missed the line in my original algorithm that appears immediately after the first WHILE: CurrentDataItem = Item(CurrentItem) This is where I store the current item to be inserted. As a result the actual data is held in CurrentDataItem and the index of where this data...

I think you must have missed the line in my original algorithm that appears immediately after the first WHILE: CurrentDataItem = Item(CurrentItem) This is where I store the current item to be inserted. As a result the actual data is held in CurrentDataItem and the index of where this data...

looks correct to me! can you be more specific?

Yes you're correct. However, remember that EOF() is actually a function included with most high-level languages. For example in VB it examines the current position of the pointer to the file indicated by the file number parameter to see if its end has been reached and then returns true or...

Stepwise refinement and top down design are pretty similar. My interpretation is that by using stepwise refinement you will end up with a top down design.

True Normally AND gates are used to disable inputs. For example if the input, in this case, from Q is 0 then the input at A has no effect on C.

Absolutely you need two inputs, if the gate has two inputs. Logic gates can have more than two inputs, although this is not likely to occur in SDD questions.

The syllabus is very unclear on this pseudocode FOR loop stuff. When I was working on my prelim book I contacted all the syllabus writers and as a consequence I included both as acceptable. By the way, I was a Senior Marker for the old 3U course and we never worried about nonsense such as...

The question is terrible! And the suggested solution is even worse! If I had to answer this question in an exam I'd have 8 rows, two for each A B combination, one with Q and Q dash initially set at 1 0 and the other with them set at 0 1. Even so there will still be inputs that cannot be...

I don't... but now I do.... just downloaded it from the files area here! So whats the question?

Go Sunny, I think your explanation is great. Blah, In regard to the Catholic MC, I too think d is the answer. I think your teacher is extremely generous if they paid a mark for c. c gives no indication that reverse engineering has occurred as your looking at the original design. d describes...

Well I'd go with mine! I know that in last year's HSC there was a question about describing the OO paradigm and many students incorrectly talked about Event Driven stuff and scored a big fat ZERO. They're just not the same thing. I'm sure there was a thread on this site about just this issue...

I sort of get what you mean, however I think you are misreading the algorithm on page 125. In brief: (well not so brief now I look at what I've written!) - There are three nested loops. - the outside loop is used essentially to get the next unsorted data item, I store it in...

We don't sell to Dymocks, they wanted a ludicrous discount and then they sell for more than the RRP. You can get some free sample chapters from our website www.pedc.com.au

You think the video was weird, you should meet the girl!!!!

yep sure is!!!! You ppl have got it easy, you've only gotta do the exam, and it will all be over shortly!!!

If you look at the syllabus you'll find the different generations are not even in the syllabus. The Evo option is all about programming paradigms and, paradoxically, has little to do with the evolution of progamming languages. Which text are you using? (Obviously not mine!)