Questions concerning low-level aspects of a system: programming close to the underlying details and hardware.

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3answers
107 views

Where to learn low-level programming like driver, kernel or system programming? [on hold]

Where to learn low-level programming like driver, kernel or system programming ? I've read several programming books on C\C++, but they all introduce the language without going further. I would like ...
-3
votes
0answers
67 views

How low level language programmers see C#? [on hold]

.Net has made a helpful abstraction for the programmers when interacting at hardware level or memory management. I haven't seen anyone creating device drivers in .Net or doing memory management as the ...
-2
votes
3answers
224 views

High Level design vs Low Level design? [closed]

Folks i am not sure what actually comes under HLD and what under LLD? . I did google but most of the answers are contradictory and theoritical. Say i need to design the login process in web ...
-1
votes
2answers
84 views

What interface does python use to implement sockets?

When I programmed in python, I believe I interfaced with the transport layer using sockets. If python was programmed by humans, they must have used an interface that was "lower" than sockets, to ...
1
vote
0answers
37 views

Is a language that provides more abstractions to use it's own API, considered higher-level than a language that doesn't? [duplicate]

Consider two programming languages: Both run on a VM, have the same amount of abstraction levels between the programmer and the OS and CPU, etc. The only difference is inside the languages themselves ...
0
votes
3answers
137 views

What is the absolute minimum set of instructions required to build a Turing complete processor

I have a general idea of how the processor handles instructions but spend my time working in mostly high level languages. Maybe somebody who works closer to the iron can provide some valuable insight. ...
0
votes
2answers
126 views

Difference between a pointer and a reference? [duplicate]

In Java and other high-level languages, a reference leads to an object. In C++, as far as I know, a pointer can also lead to an object. So what's the difference between a reference leading to an ...
1
vote
1answer
219 views

Next power of 2 for a number (in search for better “bit-twiddling” way)

I just wonder if there exists better (i.e. faster?) way to get the next power of 2 for a given number than the following one (maybe some better sort of "bit-twiddling" hack is possible?) ... static ...
1
vote
3answers
148 views

Question about moving to embedded systems [closed]

I currently work as a .net developer and have coming up to 3 years experience in the industry as well as a degree in computer science specifically software engineering (I know that means nothing but ...
-2
votes
2answers
362 views

Timeline of a programmer in terms of languages? [closed]

Alan Perlis once said: "A language that doesn't affect the way you think about programming, is not worth knowing". I am not proud of the fact that I started programming with scripting languages ...
-4
votes
4answers
628 views

What is the lowest level that you can program? [closed]

At university we had to implement our own program counter in microcode and I doubt that it's possible to do computer programming at a lower level. Then we wrote the interrupt handler in assembly for ...
37
votes
9answers
3k views

Why not have a High Level Language based OS? Are Low Level Languages more efficient?

Without being presumptuous, I would like you to consider the possibility of this. Most OS today are based on pretty low level languages (mainly C/C++) Even the new ones such as Android uses JNI & ...
10
votes
4answers
827 views

Why do some programmers categorize C, Python, C++ differently? - regarding level [duplicate]

I am taking an introductory course on python and the instructor says that python is a high level language and C and C++ are low level languages. It's just damn confusing. I thought that C, C++, ...
3
votes
1answer
148 views

Books/sources on inner workings of JavaScript [duplicate]

When I started studying C++ a couple of years ago, a lot of the books and texts I read did a very thorough job of explaining, how the code written would translate into concrete operations in the ...
3
votes
2answers
694 views

Memory management for fast message passing between threads in C++

Suppose there are two threads, which communicate by asynchronously sending data messages to each other. Each thread has some kind of message queue. My question is very low level: What can be expected ...
5
votes
3answers
863 views

How would one go about reading memory from a process? Is it different by OS?

As an experienced web-developer, but a novice "low level" programmer, this stuff is sort of voodoo to me still. I'm curious about how one would even begin to go about finding a memory block, and then ...
8
votes
4answers
2k views

A good interpreted language for a small embedded project [closed]

I have an mbed microcontroller which has a small ARM Cortex M3 on it. Basically, my effective resources for the project are ~25 KB of RAM and ~400 KB of Flash. For I/O I'll have a PS/2 ...
0
votes
1answer
644 views

Where can I find a punched card simulator? [duplicate]

Possible Duplicate: Learning to program on punchcards I wasn't born in the era, but I'd like to experience writing a program with punch cards. Does anyone know of a program or an online ...
36
votes
11answers
3k views

Why are cryptic short identifiers still so common in low-level programming?

There used to be very good reasons for keeping instruction / register names short. Those reasons no longer apply, but short cryptic names are still very common in low-level programming. Why is this? ...
15
votes
8answers
2k views

Reverse engineering: what is it really good for? [closed]

I have some innocent/beginner questions: What is reverse engineering good for? As a programmer, should I learn the art of reverse engineering? What are the benefits to a programmer who is ...
2
votes
1answer
493 views

How to start embedded development for developing a handheld game console?

I work as a iPhone app developer now, so I know a bit of c, c++ and objective c. Also have fiddled with Java and many other. All of them have been just high level application/games development. My ...
1
vote
5answers
574 views

What kinds of low level knowledge matter? [closed]

I realize that this question is similar to Low level programming - what's in it for me, but the answers didn't really address my question well. Part from just an understanding, how exactly does your ...
10
votes
5answers
9k views

What Are Some Advantages/Disadvantages of Using C over Assembly?

I'm currently studying engineering in Telecommunications and Electronics and we have migrated from assembler to C in microprocessor programming. I have doubts that this is a good idea. What are some ...
5
votes
4answers
1k views

Is it possible to automatically convert code from a low level language to a high level language?

I have seen several applications that claim to convert Java code to valid C or even C++. Converting from a high level language to a low level language is possible, no doubt about it. At least in ...
12
votes
8answers
900 views

What are the complexities of memory-unmanaged programming?

Or in other words, what specific problems did automated garbage collection solve? I've never done low-level programming, so I don't know how complicated can freeing resources get. Update - apologies ...
22
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12answers
5k views

Were the first assemblers written in machine code?

I am reading the book The Elements of Computing Systems: Building a Modern Computer from First Principles, which contains projects encompassing the build of a computer from boolean gates all the way ...
0
votes
2answers
1k views

Are there any languages that have both high- and low-level facilities? [closed]

Are there any languages that have both high- and low-level facilities? If not, is it feasible to create one? Why or why not? In theory, it would be very helpful to have a programming language that ...
1
vote
1answer
262 views

Is there any example or resource explaining/showing code from High-level to Low-level to deep down Machine code?

I have been searching for an example over the internet that shows any operation like saving a file or drawing anything in UI or any other sort that shows the implementation from High-leve language ...
3
votes
2answers
393 views

Functional Low-Level language that can use a webkit view

TL;DR: I need to develop an app which should look kind of the same on desktop and as a website incarnation. Since I am a web dev and have never developed for desktop, I want to use a language that ...
29
votes
13answers
2k views

How good does a well-rounded programmer need to be with bit-wise operations? [closed]

I have been browsing some OpenJDK code recently and have found some intriguing pieces of code there that has to do with bit-wise operations. I even asked a question about it on StackOverflow. ...
6
votes
8answers
1k views

Will taking a job in web development prevent a low-level programming career? [duplicate]

I'm a computer science student in my last year, and I want to get a job, but have difficulties finding one in my city where I can use what I already know pretty well. There is a company which does ...
9
votes
6answers
4k views

Where can I learn more about Low Level Programming [closed]

So First of all, I did Graduate from a University with a B.S. in Computer Science, and while I feel I got a multitude of programming experience.....I really missed out on the SUPER low level stuff. I ...
12
votes
5answers
811 views

How can I get more experience with lower level programming?

I'm about 3 years experience as .NET developer, but I'm sad I haven't gotten to create anything that excites me because I'm just using puzzle pieces someone else has already created. I learned most ...
12
votes
4answers
917 views

What are the algorithms behind low pause GC?

Some languages, for exemple java, introduced a low pause GC. Those GC can do most of the work without pausing the whole world. This is obviously a quite hard problem because it require to analyze the ...
6
votes
4answers
572 views

Low Level Exercises [closed]

I'm pretty comfortable with high-level languages and application development. However, although I have learned about low level topics such as the ones listed below, I have never done anything with ...
16
votes
10answers
2k views

As a programmer, should I know low and high-level programming languages? [closed]

I been contacted to do some work remote controlling LEDs displays over TCP/IP, but my experience and preparation is mostly about high-level programming language. I said that to the person who contact ...
9
votes
8answers
4k views

Learning computer architecture as a programmer [closed]

I typically run across gurus at SO and other places (instructors, book authors etc.) that would say something along the lines "This will cause alignment issues" or other low level tidbits. I want to ...
12
votes
8answers
1k views

How to deal with low level guys?

Recently I have started working for company which is developing mainly low level stuff (like device drivers, system level apps etc.). I was hired as high level programmer to develop a machine learning ...
1
vote
1answer
320 views

FPGA device + networking + software kit

Sorry for the very abstract and uncertain question, but I guess if I could ask it better I would have answered it myself. Here is the thing. I am getting more and more interested in FPGA. However, it ...
5
votes
3answers
1k views

What are the security risks/vulnerabilities every C programmer must be aware of?

There are many security risks coming from having close contact to the hardware as opposed to using well-tested and proved APIs from high level programming languages. It is much easier to cause a ...
13
votes
6answers
3k views

How do programmers deal with low level software development in high level languages?

I am somewhat new to programming and the best way I can ask this question is with an example. I know how to do basic things in Java and C#. Things like a small windows forms application or make a ...
6
votes
6answers
496 views

Why would you want to look at IL code?

I was reading a blog post over at Channel 9 about the release of an open source .NET/CLR decompiler. I was wondering as to why would you want to decompile a .NET/CLR application and look at its IL ...
3
votes
4answers
408 views

I might be starting to do Arduino development and I would like some advice [closed]

So, today I looked at Arduino; seems very interesting. I still don't want to shell out the money just yet, as I have some questions, namely: Should I learn something about electronics? What and with ...
2
votes
3answers
195 views

How do you feel about browsers getting into the low level intricacies?

i was working on a website with FF4 and while resizing an element with Firebug, FF4 just crashed my nVidia Display Driver. Fortunately Windows 7 was able to help me by recovering from this serious ...
11
votes
4answers
970 views

In what way(s) is LLVM Low Level?

In what way(s) is LLVM (Low Level Virtual Machine) Low Level? (At the time of writing, I did not find this expansion of the abbreviation "LLVM" on its web site, but on Wikipedia.) Is it called "Low ...
3
votes
1answer
124 views

Need pointers on my first Windows program [duplicate]

I'm a Unix programmer and I need to write a (hopefully simple) program for Windows that does the following: (1) Installs from a USB drive (2) Somehow integrates with the OS at a low-level in such a ...
3
votes
1answer
448 views

Checking out systems programming, what should I learn, using what resources? [duplicate]

I have done some hobby application development, but now I'm interested in checking out systems programming (mainly operating systems, Linux kernel etc.). I know low-level languages like C, and I know ...
12
votes
5answers
2k views

High level vs. low level programming. Do I really have to choose? [closed]

Every once in a while I'm asked in interviews which I like the best- low level or high level. It seems to me that the implicit message is that they are both a specialty and they want to know which ...
11
votes
10answers
2k views

What do you consider to be a high-level language and for what reason?

Traditionally, C was called a high-level language, but these days it is often referred to as a low-level language (it is high-level compared to Assembly, but it is very low-level compared to, for ...
29
votes
11answers
1k views

Is it wise for a high level developer to spend time studying assembly? [closed]

It is clear that the knowledge of low level stuff is very important in our work. But in a situation where you're already developing commercial software on a high level, and when you already have a ...