Questions concerning high-level aspects of a system: programming with abstractions and structures that are insulated from underlying details and hardware.

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-3
votes
2answers
208 views

Can a high level language be faster than native C? [closed]

Hand-crafted C is almost unbeatable. If an experienced C developer knows what he is doing, he will be able to write C code much faster than higher level code. But can a medium/big programme written in ...
6
votes
2answers
2k views

Why is C still in the category of High Level Language? [closed]

Many of the textbooks on the C programming language tell that C is a high-level programming language, but many of the tutors online say that C is also a middle-level programming language. Why is it ...
0
votes
1answer
111 views

How do you calculate the CPU usage?

Suppose that in a single processor system, an average of 6 process arrive each minute. Each process needs an average service time of 8 seconds. How would you calculate the fraction of time the CPU is ...
0
votes
1answer
114 views

Which version management design methodology to be used in a Dependent System nodes?

This is my first question so please indicate if my question is too vague and not understandable. My question is more related to High Level Design. We have a system (specifically an ATCA Chassis) ...
1
vote
0answers
39 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 ...
-1
votes
2answers
199 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 ...
35
votes
9answers
4k 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 & ...
9
votes
4answers
1k 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++, ...
4
votes
4answers
511 views

How much is modern programming still tied to underyling digital logic? [closed]

First of all: I've got no academic background. I'm working primarily with Java and Spring and I'm also fond of web programming and relational databases. I hope I'm using the right terms and I hope ...
2
votes
1answer
880 views

Do compilers have to be written for each model of CPU?

Do you need to take account of the different processors and their instructions when writing a compiler? Have instructions been standardised? Or what tools and techniques are available to assist with ...
4
votes
4answers
2k 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 ...
6
votes
4answers
204 views

Are there any languages that allow the static context of a method call to be available at runtime?

Is it possible for a method to know the type of the method it is called under? So for example in the following object orientated psuedo code: Instance io = new InstanceSubclass(); io.doStuff(); Is ...
0
votes
2answers
2k 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
388 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 ...
-2
votes
2answers
515 views

Why we still need C in terms of development for high level programming modules? [duplicate]

Possible Duplicate: I don't know C. And why should I learn it? I was kind of awkward in coding with C, though I am somewhat familiar with it. I like Java and C#. The reason I like to ...
32
votes
16answers
9k views

Modern programming language with intuitive concurrent programming abstractions [closed]

I am interested in learning concurrent programming, focusing on the application/user level (not system programming). I am looking for a modern high level programming language that provides intuitive ...
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 ...
12
votes
5answers
3k 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 ...
12
votes
10answers
4k 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 ...
6
votes
7answers
801 views

Learning high level languages [closed]

I've been actively programming with assembly but now I'm losing motivation. My productivity is simply ridiculously low compared to what others seem to have with high level languages. I know I should ...