Exam Board Deletes C and PHP From CompSci A-Levels
VitaminB52 writes "A-level computer science students will no longer be taught C, C#, or PHP from next year following a decision to withdraw the languages by the largest UK exam board. Schools teaching the Assessment and Qualifications Alliance's (AQA) COMP1 syllabus have been asked to use one of its other approved languages — Java, Pascal/Delphi, Python 2.6, Python 3.1, Visual Basic 6, and VB.Net 2008. Pascal/Delphi is 'highly recommended' by the exam board because it is stable and was designed to teach programming and problem-solving."
But, so what?
If you understand programming, picking up any given language is straightforward.
If you don't understand programming, it doesn't really matter what languages you know.
It's official. Most of you are morons.
What a shame. C is an important foundation.
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This warms my heart, the first language I learned was TurboPascal just so I could program Door Games for my BBS. I still run a BBS I still haven't written any door games.
to teach them hypothetical skills in watered down, obscure platforms so they can curse you for the rest of their lives when they start working in the industry.
i was taught fortran and pascal. i dont remember shit, and i dont think i gained much from them.
programming can be taught with any language. problem solving can be taught with any language. it is better to teach these using a language they WILL use when they actually get into industry, than with stuff they may rarely come up against.
uk was going down the drain for some years. i see this as another absurd jacobinism.
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Why are they accepting Visual Basic 6, but not C++, Ruby, or even LISP?
I hope these courses are all about teaching the way to construct programming logic, to think about algorithms, to apply data structures correctly because that can be done in any language (depending on the paradigm that they choose to teach of-course, and it looks they are going with the most common, imperative one, of-course the choice of languages also shows that they are not going into declarative stuff.)
Any one of these language can be used to teach normal structured programming with normal process flows, data structures. Object oriented stuff should not be taught until the students have basic understanding of the principles of programming.
But it is too bad they are not including at least some Assembly and C. Actually they should do an overview of different languages and explain that there are different ways to program, they should explain the differences between paradigms, approaches, languages, they should explain computer organization as in how a machine sees the code, how does the code interact with the memory, processor, peripherals. I think it is important at least to know OF these things, if not actually completely knowing how to use them.
I think before you teach anyone actual programming logic, structures, you explain how a machine executes the commands, so computer organization (state machines, memory, processors) + Assembly, even if only for a few hours this should be done first.
You can't handle the truth.
"The board "highly recommended" switching to Pascal/Delphi because it is stable and was designed to teach programming and problem solving. Teachers planning to use Java are warned that many universities are considering dropping it from their first year computer science programmes, "as has happened in the US"."
Okay, seriously - in London, where I work, I don't think any of these guys would be able to get a job once they had graduated. Job listings I have looked at demand the following skills:
Java (with Spring, Hibernate, Multi-threading, low latency, Swing, Junit)
C#
C/C++ (financial organizations still turn to C for high volume number crunching)
Unix / Linux (are they going to drop this next???)
SQL (Oracle, Sybase, SQL Server)
Subversion, Clearcase, CVS
None of this stuff can be picked up quickly, so the earlier you start, the better. And, no offense, but I rarely - if ever - see a job listing requesting Pascal/Delphi.
Is this a case of dumbing down or are students just becoming lazy(-er)..?
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I'm not particularly fond of Java, but atleast hey have ONE alternative that is widely used in in the industry.
VB6 and delphi are dying languages as far as employment opportunities are concerned and Python isn't nearly as popular as PHP. I think VB.NET could get you a low-paying entry-level job though.
The common denominator of the allowed languages is that they do not allow low-level programming. C may not be the most common language in the industry, but it gives you a great foundation in understanding what actually happens inside all those object, libraries and frameworks.
This move is endumbening students ;)
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What's the big deal? One programming language is like the other, at least within the same paradigm. If you can program in Pascal, you can program in C. If you can't you learned a syntax and not "how to program". Basically, when I was a computer science student, we got one language taught for the concepts and the rest was just "swim or sink". That's the way it should be. I really have a problem with programmers who have problems switching from their preferred-language to another because it's unfamiliar. Well, no, it's not... It's the damned same thing with diverging syntax.
Basically, the premise of the Exam Board is quite right: the goal of programming is to have problem solving skills. Whatever language conveys that is completely uninteresting to me.
Oh, and just for the record: programming is just a small part of the computer science curriculum... or at least it should be.
There's a lot more that goes along with a language Sure, if you know how to code OO, use iterators, understand switch statements and other language-related elements you can change languages and write an algorithm or two But Do I know best practice for everything? If I'm a c# programmer. Do I know important differences between Ruby 1.7, 1.8. 1.9? Do I know what the best inversion of control framework is? Or what the best ORM to use is? Am I familiar with how to use it? If I'm a Ruby developer am I aware that in a .NET language if I add two strings together in c# "Hello" + "World" It constructs a new immutable string. But if I do String.Format("{0}{1}","Hello","World" it is much faster and uses less memory?
Will I know all the proper coding conventions, casing, tabbing, indenting styles.
There are hundreds if not thousands of useful pieces of language, compiler, and environment specific knowledge which is useful and can be pretty obvious if you do not have it.
I've been playing with c#, ruby, gcc. For around ten years commercially and I still need to invest significant re-education if I swap from say ruby to gcc or ruby to c# after a year..
There is a reason that people tend to stick with one or two primary languages.
How can you understand programming if you don't understand how it works under the hood?
Teaching assembly (which CPU?) wouldn't be practical but C is the next best thing. I agree with you that any programmer should be able to pick up a new language without too much effort, but unless you know how the internal structures of the programs work you will never be able to write good code, at best your code will be painfully slow, at worst it will be outright dangerous.
If only one language is taught, then it should be C for anyone who expects to be a professional programmer, knowing C they can easily pick up any other procedural language. A programmer who doesn't know C is like a doctor who doesn't know anatomy.
For those who don't know, these are 16-18 year olds typically and they would normally be using these exams as a stepping stone to University. They wouldn't be computer science specialists at this point.
At this level, I agree with the decision. You're looking for aptitude and interest at this stage, not machine specifics. Pascal is a good language for expressing and solving problems and was enough to get my attention when I was doing A Levels twenty years back - in Turbo Pascal.
Cheers,
Ian
For those outside the UK, that's the two optional years for 16-18 year olds at the end of secondary school. They're not churning out qualified programmers, they're churning out people who have a basic idea of what programming is and might want to pursue it at university. When I did the AQA Computing A-Level we were taught QBASIC and VBA. It didn't stunt my career too much.
The point of C as a teaching language is that hardware does not bound arrays, it does not protect memory, all data is just bits and can be arbitrarily converted to anything (even if it makes no sense to do so).
Basically, if you grok C then you are an effective programmer but if you can only program in a "safe" language then you likely don't understand how anything works and it all seems 'like magic' and there's already enough pseudo-science in the world.
(Of course, whether you should choose to keep using C after you understand the concepts is a different question)
I think the common interpretation of Computer Science is extremely misleading. It's not about programming stuff, that's more of an IT application of computers. Instead, it's about understanding the science behind computers, for example to understand the mathematical principals of computing, operational effeciency and move it on as a tool for scientific endevour.
To this end, the choice of programming language really doesn't matter - it's a tool that the subject uses either as a proof of concept or a learning point. C is fairly good for this as it exposes a lot of the inner workings of a computer, whilst being high enough level to be more or less consistent across platforms at a university level. However, that doesn't mean that knocking up a quick proof of concept in python or perl is less valid - or even visual basic if it helps understand the science behind the problem.
In other words, I see no real worry here. If they stopped putting mathematics in a CS course or made it in to a programming degree I'd be concerned. If it's about using various tools for the job then I'm all for it. Hell, I wrote a pascal compiler in pascal as part of my degree - it wasn't about the programming language, it was about understanding the fundamentals of compiler design and implementation.
Now there's one hoopy frood who really knows where his towel is!
Part of being able to write good software is actually understanding how computers think. All these things like objects, and types and so on are all constructs for making things easier for people. They are how we think, not how the processor thinks. The problem is, if all you ever learn on is languages that hold your hand, you end up not being as good a programmer. I see types like that all the time come out of the university where I work, as Java is about the only thing they like to teach. They have little to no understanding of how a computer actually works and cannot deal with lower level languages.
Now I certainly wouldn't say C should be the only language you learn on, but it should be one of them. Learn how a computer works, and learn the power, and problems, that can be had from getting closer to the bare metal. Also then learn about higher level languages, and the advantages and disadvantages they provide. Basically, try and give students the understanding of how programming languages differ, and allow them to be able to appreciate that there are tradeoffs using different languages.
Having a program that gets too stuck in high level languages risks producing the myopic zealot type programmers that can only write in one language and write very bad code because they are used to having the language clean up after them.
Also, universities should endeavor to teach on what companies want. While a university degree is a theoretical degree, not practical training, that doesn't mean they have the right to be arrogant and refuse to try and offer theoretical training on real world tools. At the engineering department I work for, we try to do that. The software we use in classes is the software you'd use to do that sort of thing in the industry, when practical. That way you learn not only the electronics theory being taught, but you get practical experience with a tool.
Same shit for programming. Teach students on languages that companies want. Guess what? C++ (and even C) and C# and such are those languages. Pascal is not. I don't care if some old fossil of a professor loves Pascal. Suck it up, learn a new language. Your job is to keep up on shit. Any educator that themselves refuses to continually learn should be fired.
Teach students on a good cross section of languages that are currently useful. Show them the advantages and disadvantages of different kinds of languages and programming, give them a good theoretical foundation in how this all works. While you do that, do it using tools that they will actually be asked to use when they go and get a job.
The point of C as a teaching language is that hardware does not bound arrays, it does not protect memory, all data is just bits and can be arbitrarily converted to anything (even if it makes no sense to do so).
Basically, if you grok C then you are an effective programmer but if you can only program in a "safe" language then you likely don't understand how anything works and it all seems 'like magic' and there's already enough pseudo-science in the world.
There is a fallacy in there. A safe language just tells you when you are doing crap, so that you learn not to do it or so that it doesn't shoot you in the foot. It doesn't make your errors go away, it just makes them explicit.
If you are good at programming in Pascal, it is not a big problem to learn C.
What is more, people who learn with C often develop a control-freak attitude that hinders them in the adoption of such sensible things as e.g. garbage collectors.
We're actually about to switch back to teaching C in the first year (via long low-level projects for which it is well suited), as we've concluded the Java-first approach we've been using for at least ten years isn't working terribly well. It's nearly impossible for students to understand the advantages of object orientation when they haven't written complex code and haven't made the mistakes that lead to spaghetti code. So they use object orientation by rote-learning, which means they don't really understand when a lighter weight approach or a different language is appropriate and when it isn't. We'll still teach them Java and a range of other languages, but only when they've learned the reasons those languages help.
Having said that, I don't really care what they teach at A-level. A-level CS is pretty nearly worthless - any reasonable university CS department will prefer you didn't do it, and that you'd done more maths or science instead.
I taught a class on Delphi to a group of mostly non-programmers. It was very successful. Consider...
First project:
1) Open Delphi
2) Press Run
You've just written, compiled, linked and executed your first Delphi program. We'll get into the details later.
Second Project:
1) Open Delphi := Slider1.position * 10;
2) Drop a button on the default form
3) Drop a slider on the default form
4) Double-click the OnChange event on the slider
5) Type Button1.Left
6) Run
Now I can show visually show you what this does and talk about components, objects, properties, events, syntax, variables, assignment statements, build cycles, etc. - all in ways that you can see.
Plus, unlike Java or C#, I can show you procedural (non-OO) console app or service programming. And we can go all the way down to assembly language if you want.
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The exclusion of PHP is debatible (is not really different from a gazillon other interpreted languages out there), but the exclusion of C, is, IMHO, a gross mistake. C teaches basic low-level concepts that other languages, outside assembler perhaps, dont even touch - memory management being the principal. Nowadays every developer accustomed to Java seems to think garbage collection is the end of all memory handling issues...
As it was said before: "never take software advice from a bug tracking system salesman" -AV
"Most people in the U.S. wouldn't know they live in a tyrannical state if it walked up and grabbed their junk." - MyFirs
If you're a good programmer, programming languages are easy. If you're curious about a language, you can learn the basics of it in a few hours and be adequate in the language in a weekend.
(Now, being good in the language requires more than that -- it requires a project or two, some refactoring and some time, but that's beyond what the poster said.)
Even mediocre programmers can pick up the basics of any language quickly. The focus on just a core of languages, and often, just ONE language, which we often hear from job candidates and young posters on slashdot are a reflection of the many graduates coming out of CS departments these days who exhibit a distinct lack of talent. There are still some great programmers coming out of our CS programs, but there are many, many more drones than came out of such programs 20 years ago.
Somewhere along the line, a CS degree became a way of ensuring yourself a job in much the same way a degree in accounting did, and CS began to get people who didn't really give a shit. "I'll pay the money, go to the classes, get the degree, and get a job. Then I'll be safe and happy until I die."
Talented programmers pick up languages when needed, and they do it quickly. Programmers have curiosity about computing. Missing either of those means a bad programmer. Not knowing the basics of such a simple language as C equals a bad programmer.
If you're bothered by that analysis, surf a little, write a few programs, read a few to see how things are done, and the point will be moot. Unless you're a bad programmer, in which case you'll find C very difficult, take weeks to get anywhere in the language, decide you need to take a class in C to learn it, never be able to figure out why your simplest C stuff won't run at all.
And ya know what? The same goes for FORTRAN!
Just for your future reference, while technically you can call what you did 'programming'.
By any acceptable definition of the word what you did was show how to use the Delphi gui, not teach programming, and that is a BIG distinction. You haven't taught anything but how to point and click.
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