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Difference Between Assembly Language and High-Level Language

Assembly Language Vs. High-Level Language: Find the Difference Between Assembly Language and High-Level Language

Both of these are types of computer languages, but there is a significant difference between assembly language and high-level language. In this article, we will discuss the difference between them both. But let us first understand a bit more about each of these individually.

What is an Assembly level language?

An assembly language is a type of low-level language of the computer that lets users write various programs by making use of the alphanumeric codes for a set of instructions instead of the numeric codes. IBM PC DOS is a commendable example of a large assembly language of the present time.

What is a High-level language?

A high-level language is a machine-independent type of language. It lets users write various programs in such a language that resembles the English words (and alphabets) and all the familiar mathematical symbols. The very first high-level language was the COBOL language. C#, Python, etc., are a few examples of high-level languages.

Difference Between Assembly Language and High-Level Language

Here is a list of the differences present between Assembly Language and High-Level Language.

Parameters Assembly Language High-Level Language
Conversion The assembly language requires an assembler for the process of conversion. A high-level language requires an interpreter/ compiler for the process of conversion.
Process of Conversion We perform the conversion of an assembly language into a machine language. We perform the conversion of a high-level language into an assembly language and then into a machine-level language for the computer.
Machine Dependency The assembly language is a machine-dependent type of language. A high-level language is a machine-independent type of language.
Codes It makes use of the mnemonic codes for operation. It makes use of the English statements for operation.
Operation of Lower Level It provides support for various low-level operations. It does not provide any support for low-level languages.
Access to Hardware Component Accessing the hardware component is very easy in this case. Accessing the hardware component is very difficult in this case.
Compactness in Code The code is more compact in this case. No code compactness is present in this case.
Type of Processor The program that we write for one processor in an assembly language will not run on any other processor type. It means that it is processor-dependent. This language is processor-independent. It means that the programs that we write using high-level languages can easily run on any processor independent of its type.
Accuracy It has better accuracy. Accuracy is much lesser in this case.
Performance An assembly language performs better than any high-level language, in general. The performance is comparatively not so good.
Length of Executable Code It is shorter in assembly language. It is larger in a high-level language.
Time Taken in Code Execution Execution of code takes less time in this case because the code is not very large. It takes up more time for execution because it needs to execute a large code.
Efficiency It is way more efficient because of the shorter executable codes. It is comparatively less efficient because the executable codes are comparatively longer in length.
Reading of Pointers We can do that directly at a physical address in the case of an assembly language. It is not possible to do so in the case of a high-level language.
Extra Instructions We don’t need that in the case of an assembly language. This language must give some extra instructions for running any code on the computer.
Ease of Understanding It is very difficult to debug and understand the code of an assembly language. It is very easy to debug and understand the code of an assembly language.

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