Q&A

Why is assembly language not used?

Why is assembly language not used?

Assembly is less popular because engineer time is worth far more than CPU time. CPU time is cheap. Assembly language is not very popular any more. It is used mostly with cheap micro controllers and embedded devices where support for higher level languages might not exist.

Is assembly language useless?

In the 80s, it was common for CS students (and anyone wanting to do “real” programming) to learn assembly. But nowadays, in 2018, assembly is pretty much useless except to bootstrap an OS or for compilers (and even that isn’t as important as it used to be since LLVM took off).

Is there any reason to learn Assembly?

(EDIT)Assembly language is as close to the processor as you can get as a programmer so a well designed algorithm is blazing — assembly is great for speed optimization. To write in assembly is to understand exactly how the processor and memory work together to “make things happen”.

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Do people still learn assembly language?

Yes, we do! Assembly-level programming is still written, and fairly often, as well. The most traditional groups of people who write assembly are compiler and OS programmers, but it’s also used in a wide swath of other applications.

Is assembly harder than C?

However, learning assembly isn’t much more difficult than learning your first programming language. Assembly is hard to read and understand. It’s also quite easy to write impossible-to-read C, Prolog, and APL programs. With experience, you will find assembly as easy to read as other languages.

Why is assembly language so difficult?

Assembly language is not difficult, in the sense that there is no hard concept to grasp. The main difficulty is: memorizing the various instructions, addressing modes, etc… when programming, having enough short term memory to remember what you are using the various registers for.

Is assembly a hard class?

Assembly is hard to read and understand. Of course, it’s very easy to write impossible-to-read assembly language programs. It’s also quite easy to write impossible-to-read C, Prolog, and APL programs. With experience, you will find assembly as easy to read as other languages.

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Should I learn assembly language in 2021?

Yes, the assembly language of some CPU is still absolutely useful to learn in 2021, and will always be. There are two reasons: First, by learning the assembly language you learn the actual computer architecture. Which is very important for a professional programmer to understand. Yes of course.

Should I learn Assembly 2020?

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Is assembly language hard to learn?

Is assembly programming more difficult to program in than C?

It seems to be a mainstream opinion that assembly programming takes longer and is more difficult to program in than a higher level language such as C. Therefore it seems to be recommend or assumed that it is better to write in a higher level language for these reasons and for the reason of better portability.

Why should I learn to write in Assembly?

When you are writing in assembly, you don’t have to write just in instruction codes. You can use macros and procedures and your own conventions to make various abstractions to make programs more modular, more maintainable and easier to read. This is where being familiar with how to write good assembly comes in.

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Is assembler programming a useful skill to learn?

A reasonable level of assembler competence is a useful skill, especially if you work at any sort of system level or embedded programming, not so much because you have to write that much assembler, but because sometimes it’s important to understand what the box is really doing.

Is it possible to write assembly code in C/C++?

There’s simply no (almost) need. Except for something like the very early system initialization and perhaps a few assembler fragments hidden in C functions or macros, all very low-level code that might once have been written in assembler can be written in C or C++ with no difficulty.