High-level languages require translator software that will be held in RAM when a program is executed. They are simple and machines can understand. When we think about computer programmers, we are probably thinking about people who write in high-level programming languages. C++ is based on the C language, and it was developed in early 1980's by Bjarne Stroustrup at AT&T Bell Laboratories, Here "++" use for the extension because "++" is a syntactic construct used in C to increment a variable.Most of the C++ content is the super-set of "C", Due to this extension most C programs can be compiled using a C++ compiler. High Level Languages have a syntax similar to the English Language so uses a compiler or an interpreter to convert the human readable program to computer readable machine code. When we talk about high level languages, these are programming languages. (c) High level languages are machine independent. A used translator is a compiler or interpreter. Development time: Writing code in assembly language takes much longer time than in a high level language. An OS written in a high-level language (as opposed to a low-level language, such as assembly language) will require far less code, be easier to create and maintain, and will find a larger pool of qualified programmers to work on the project. What are the disadvantages of C programming language. Reliability and security: It is easy to make errors in assembly code.The assembler is not checking if the calling conventions and register save conventions are obeyed. In high-level language programs run independently of processor type. Get to know how the CPU and Memory work. (e) Program instruction codes are long. An assembler translates assembly language into machine code.i. So, there is a trade-off between high-level and low-level programming languages. High level programs are comparatively slower than low level programs. C/C++ are high level languages and Linux's kernel for example is written in C++ (witch also supports machine code to be inserted). Disadvantages. High level languages are similar to the human language. Disadvantages of High Level Languages: You need some sort of compiler to get the HLL to LLL; In some cases (e.g. Disadvantages of High level language. Cost. (b) High level languages are allowed the use of program control structures which help programmers develop programs using modular approach. Low-level languages will produce an OS that is smaller, leaner, and runs faster, but be much more difficult to create and maintain. This is one-to-many translation and not one-to-one as in the case of assembly language. High Level Languages. The important feature about such high level languages is that they allow the programmer to write programs for all types of computers and systems. Ans. C Programming language tutorial, Sample C programs, C++ Programs, Java Program, Interview Questions, C graphics programming, Data Structures, Binary Tree, Linked List, Stack, Queue, Header … What are some advantages and disadvantages of using a high level programming language (e.g. High level languages are enhancing easy communication with the system. Advantages of assembly language. Therefore, High Level Languages takes time to execute. (Although some programs could still have a few machine-dependent details, they can be used with little or no modifications on other types of machines.) High level languages are written in a form that is close to our human language, enabling to programmer to just focus on the problem being solved. High-level languages have to give extra instructions to run code on the computer. (f) They are not user friendly. Java / C#) you have an interpreter in between which also consumes resources (but can also optimize itself while running the program!) Email This BlogThis! Answers (a) Does not allow the use of program control structures which encourage modules. Some advantages and disadvantages of this language as follows: Advantages: It is machine independent (portability). 2] High Level Language. There are two categories of programming languages, high level and low level. 1.Programs developed using low level languages are machine dependent and are … A third-generation programming language (3GL) is a high-level computer programming language that tends to be more machine-independent and programmer-friendly than the machine code of the first-generation and assembly languages of the second-generation, while having a less specific focus to the fourth and fifth generations. What do you mean by high level, middle level and low level languages and give an example for each. High-level language programs are portable. Manipulating specific hardware the way you want (more access or control), I guess other high-level languages don’t have this feature. (d) Hard/ difficult and slower to code and debug program instruction codes. (b) Does not have better interface. Compared to low level programs, they are generally less memory efficient. The disadvantages of a low level language are typically cited as being relatively difficult to read, harder to debug, and requires more development time than a high level language. These languages do not interact directly with hardware. It is because that they are similar to the languages used by us in our day to day life. The advantages and disadvantages of both high-level and low-level languages are given below. Low level languages are related to hardware. Disadvantages: It is almost impossible to find and correct errors. 5.It can directly communicate with hardware devices. Advantages Disadvantages High-level languages are user-friendly A high-level language has to be translated into the machine language by a translator, which takes up time They are easier to learn They are easier to maintain They are problem-oriented rather than 'machine'-based A program written in a high-level language can be translated into many machine languages and can run on any … High level languages – advantages and disadvantages. They are similar to English and use English vocabulary and well-known symbols The object code generated by a translator might be inefficient compared to an equivalent assembly language program. Conversely, one instruction in a high level language will translate to one or more instructions at machine level. High-level languages are user-friendly A high-level language has to be translated into the machine language by a translator, which takes up time. Unlike low level languages, high level languages are programmers friendly, easy to code, debug and maintain. (d) High level languages are user friendly than low level languages. Easy to learn and use (reliability). Learning a foreign language can be expensive, especially if you take college courses or pay for private tutoring. It is useful for programming OS, drivers, hardware control and high performance applications. High-level languages need to be converted to low-level and hence, have slower execution and also a larger file size than the low-level counterparts for the same code. Assembly language consists of mnemonics for machine opcodes so assemblers perform a 1:1 translation from mnemonics to a direct instruction. 4.Low level languages provide direct manipulation of computer registers and storage. Disadvantages of low level languages. Programming languages are therefore spread over a spectrum, with low level languages closer to machine code and high level languages furthest away from it. High level language is abbreviated as HLL. High-level languages are basically symbolic languages that use English words and/or mathematical symbols rather than mnemonic codes. Weighing the costs and benefits can help you decide whether learning a foreign language is the right choice for you. Advantages and disadvantages of low level language: Advantages: Fast to run as no need of specific translator. Why C is a Middle level programming language . However, learning a foreign language has some disadvantages, too, such as the cost of language courses and the time it requires. High-level language (1958’s to 1985’s) It is a third-generation programming language or procedural language. Assembler []. The main advantage of high-level languages over low-level languages is that they are easier to read, write, and maintain. (c) Does not increase programmer productivity. In case when you need to make basic calls, still system calls are possible. High level language provides higher level of abstraction from machine language. As others have mentioned, lower level language allows you to have more direct control to the hardware. Highlight the disadvantages of low level languages. High-level instructions: Program development is faster Fewer lines of code Program maintenance is easier A high-level language is a programming language designed to simplify computer programming. Performance and accuracy of assembly language code are better than a high-level. Disadvantages of assembly language “One line of C equals 4 or 5 lines of Assembly”, that’s a bad thing to read or hear, right? For example: LDA #4 converts to 0001001000100100. It is "high-level" since it is several steps removed from the actual code run on a computer's processor.High-level source code contains easy-to-read syntax that is later converted into a low-level language, which can be recognized and run by a specific CPU. Posted by Sakash Agrawal at Thursday, February 16, 2012. Not all high level languages support low level I/O. Some prominent examples are PASCAL, FORTRAN, C++ etc. 2. And, also a structural oriented language and functional language. Disadvantages. High Level Languages are also not memory efficient. Every instruction which the programmer writes in a high-level language is translated into many machine language instructions. Code of assembly language is difficult to understand and debug than a high-level. (a) High level languages are providers of a better user interface to interact with. It takes additional translation times to translate the source to machine code. Advantages and Disadvantages of C++ language. As time passed, more levels of this translation process were added, resulting in high level languages, the syntax of which looks more like a natural language such as English. Since you are writing at machine level you control the level of performance of the code created - in a high level language you have to count on the compiler to optimize. They are easier to learn They are … The programmer has unlimited access to the working of a computer system. If we leave the kernel alone (witch is the most importent part in the OS), some other modules of the OS can be written in , let's say Basic or even Haskell. In my perspective High Level Language has not got any Disadvantages. The disadvantages of assembly languages when compared to the high level languages are as follows; 1. Thus can be better for writing device drivers. In Microprocessors only op-codes are being used. 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