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I have done a trial in which you had to write a bubble sort and a binary selection.

I think you have got this completely wrong. Anything --> Life --> DotA

Even though this definition is technically correct, I have no idea why it is on 'HSC online'. It is not the best or most common definition and is in relation to the course, I guess wrong.

Incremental compilation is a broad term. It means what it says, the code is compiled in parts. However, in relation to the syllabus, course and common usage, incremental compilation is as follows: The code is compiled at first all in one go. Then as changes are made, they are added to the...

Yes, again, its completely up to the programmer how they do it. But yeah, that would work. You could write a program to read it like this if you wanted. It doesn't have to read anything into memory to perform a linear search on a sequential file. So yes, you could just read through it until...

We don't need to know this much lol.. =D But yeah, it depends on the programmer. You could make another seperator other than TAB to separate records. It doesn't really matter. I'm not to sure about random access files. I would say it doesn't matter, as RAM is random access too. You would only...

Don't poke fun at my lazy algorithm :( I don't think you have quite got it though =P ArrayIndex handles which index of the ARRAY you are talking about. The part of the record is then specifically referenced in the program. Remember the record has to be predefined. So the program already knows...

Re: Mathematics HSC 2008. Here here.

Geographic: The different sections of the business are divided based on which geographic area they control. For example you may have an australasia section, american, african, european etc. Product: The business sells multiple products, so it is organised so that the business is divided...

You mean why isn't it an official proof? When i said that I meant (AA) isn't an official proof, like with congruency and (SAS) etc.

Yes! I can answer this properly. Pretty much, the program reads the array however the programmer wants them to. A sequencial file can be any way you want it to be, so long as it works with the program. I think this algorithm will help you. Don't know if that algorithm will work, but yeah...

Ok, I can't answer them all fully and correctly, but here goes: a) It isn't. Well, not without some crazy programming skills. b) I think, but am not sure =S, a sequencial file would work like this: it could be anyway, depending on how the individual program reads it, for example: sof---array1...

I have seen answers get full marks like this: Angle blah = angle blah Another blah angle = another blah angle therefore blah triangle is similar to blah triangle (AA) Even though it is not an OFFICIAL proof, it is clear to the marker what you mean. I would think.

Mmm, the catholic trial, I think? I too got stuck on that (or another if yours wasn't catholic) question for about 5 minutes before realising its simplicity =S

Yeah, you should know how to do bubble, insertion and selection sorts, as well as their pros and cons. Also you should know how to do a linear and binary search, as well as when they can/should be used.

I think you may be reading too much into this question. To be honest, you have completely lost me on your second question and a little in your first. But I will try anyway. A) They are indexed by the array, as it is an array of records. The answer is saying that you then load this into RAM as...

Re: 回复: Re: 回复: Re: 回复: Re: point of inflexion Its cool :) I got my answer in the end. Thanks.

Haha nup, I guess my rank in maths confirms I am just weird. 70/100ish. (school rank 25) lol.. I haven't worked all year! =D And I don't really need a uai better than 83 anyway, so i don't really care.

Re: 回复: Re: 回复: Re: point of inflexion Ah good, so it was you who missed what I meant. We are talking about proving that it is a point of inflexion. If you find that f"(4) = 0, then check f"(3) and f"(5), you can see if it is actually a point of inflexion. My question was whether or not you...

Re: 回复: Re: point of inflexion I think I must have missed some sarcasm or misunderstood your question...