--- On Wed, 12/22/10, William Case <billlinux@xxxxxxxxxx> wrote: > From: William Case <billlinux@xxxxxxxxxx> > Subject: Re: About programing, a general question > To: "Community support for Fedora users" <users@xxxxxxxxxxxxxxxxxxxxxxx> > Date: Wednesday, December 22, 2010, 8:56 AM > On Wed, 2010-12-22 at 10:52 -0500, > Jerry Feldman wrote: > > On 12/21/2010 03:48 PM, Parshwa Murdia wrote: > > > On Wed, Dec 22, 2010 at 12:24 AM, Jerry Feldman > <gaf@xxxxxxx > > > <mailto:gaf@xxxxxxx>> > wrote: > > > > > Yes and no. It is related to an understanding of what > a computer really > > does. While CPUs today are very complex, such as > out-of-order execution, > > the basic underlying premise is the same. If you > understand binary > > arithmetic and logical arithmetic, then you have an > understanding of > > what a CPU really does. You certainly don't need to > understand what an > > or gate or and gate is, but you need to understand > what happens when you > > add 2 positive integers and get a negative result, int max 32768 int min -32768 Need to use long declarations, I remember this 14-15 years ago :) It was fun! But wanted to finish school so I stopped taking comp. science classes. Now it is Java, my nephew knows it, but does not want to teach me:( > > Not an argument with what you say. I think most of it > is sound advice, > but I would like to, make one comment. > > I found that when teaching myself 'C', 10 or 20 minutes > contemplating an > 'and' or an 'or' gate gave me enough of an 'aha!' that I > could > understand what was going on. Of course, that was > proceeded by another > twenty minutes or so understanding the basic switching > capabilities of > transistors. Getting to understand basic computing cycles > as governed by > a crystal clock put everything into proportion timewise. > The same with a > template of a CPU showing things like the decoder, > registers, and the > ALU. I spent just enough time to get the idea of how > data and > instructions flowed. Knowing why there was a > difference between DRAM > (capacitors) memory and SRAM (flip-flops) memory answered a > lot of > questions of why things were done one way rather than the > other. > Top down design, procedures, arrays, pointers, etc. Other object oriented programming. Techniques, algorithms,..., etc. Those were the good old days :) Now there is java, looks like C++ but there is no <iomanip.h>, <stdio.h>, ..., There was no way to get user input, but then they put it in there :(, It supposed runs on more platforms than the others(C++, C, pascal, basic, cobol, fortran, ..., etc) But it now has Oracle in charge of it :(, what will happen to it? Regards, Antonio -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
