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Computer Programming Articles
Page 15 of 18
What are the types of Compilers?
A compiler is a computer program that changes source code written in a high-level language into low-level machine language. It translates the code written in one programming language to some other language without modifying the definition of the code. The compiler also produces the end code efficient which is optimized for execution time and memory space.There are various types of compilers which are as follows −Traditional Compilers(C, C++, and Pascal) − These compilers transform a source program in an HLL into its similar in native machine program or object program.Interpreters (LISP, SNOBOL, and Java1.0) − These Compilers first convert Source ...
Read MoreWhat is Language Processing Systems in Compiler Design?
In a language processing system, the source code is first preprocessed. The modified source program is processed by the compiler to form the target assembly program which is then translated by the assembler to create relocatable object codes that are processed by linker and loader to create the target program. It is based on the input the translator takes and the output it produces, and a language translator can be defined as any of the following.High-Level Language − If a program includes #define or #include directives, including #include or #define, it is known as HLL.Pre-Processor − The pre-processor terminates all ...
Read MoreWhat is data storage? the terms data objects, variables, and constants concerning data storage?
In a computer, the data is stored in memory, registers, and external media.Generally, all these devices have an approximately simple structure as a sequence of bits arranged into bytes or words. However, data storage of the virtual computer for a programming language influence to carry a more complex organization with arrays, stacks, numbers, character strings, and multiple forms of data existing at multiple points during the implementation of a program. It is acceptable to use the term data object defines the run-time arranging of one or more elements of data in a virtual computer.Any data objects that continue during the ...
Read MoreWhat are the attributes of programming languages in compiler design?
There are various attributes of programming language in compiler design which are as follows −Simplicity and Clarity − Few languages such as Basic, Algol, and Pascal in the past were purposely created to simplify clarify of expression. Basic, for example, had a very small instruction set. Algol 60 had a publication language that supports a standard structure for typesetting programs that occurred in published journal articles. Pascal was specially created as a teaching language, with features that simplified the teaching and learning of structured programming principles.Readability − An essential principle for determining a programming language is the ease with which ...
Read MoreWhat are the different benefits of using programming languages in compiler design?
There are the following benefits of programming languages which are as follows −To improve your ability to develop effective algorithms − Some languages support features if they are used appropriately, which will be useful to the developer. But if used inappropriately, it can cause waste in a huge amount of computer time or lead the developer to tedious logical errors. Recursion is a convenient programming feature that, when accurately used, enables the direct performance of simple and efficient algorithms. When used inappropriately, it can generate an extreme raise in execution time.To improve the use of existing programming language − By ...
Read MoreDifference Between PLA and PAL
In this post, we will understand the difference between PLA and PAL −PLAIt stands for Programmable Logic Array.Its speed is lesser in comparison to PAL.It is highly complex.It is expensive.It is not available easily.It is used less in comparison to PAL.PALIt stands for Programmable Array Logic.It has a higher speed in comparison to PLA.It is less complex.It is inexpensive.It is more readily available in comparison to PLA.It is used more in comparison to PLA.
Read MoreDifference Between Local and Global Variable
In this post, we will understand the difference between local and global variables.Local variableIt is generally declared inside a function.If it isn’t initialized, a garbage value is stored inside it.It is created when the function begins its execution.It is lost when the function is terminated.Data sharing is not possible since the local variable/data can be accessed by a single function.Parameters need to be passed to local variables so that they can access the value in the function.It is stored on a stack, unless mentioned otherwise.They can be accessed using statement inside the function where they are declared.When the changes are ...
Read MoreDifference Between Static and Dynamic Binding
In this post, we will understand the difference between static binding and dynamic binding.Static BindingIt is resolved at compile time.It uses type of the class and fields.It uses private, final, and static methods and variables.Example: OverloadingDynamic BindingIt is resolved during run time.Virtual methods use this technique.It uses objects to resolve the binding.Example: Method overriding.
Read MoreDifference Between Type casting and Type Conversion
In this post, we will understand the difference between type casting and type conversion.Type castingA data type is converted to another data type using the casting operator by the developer.It can be applied to any compatible data types and incompatible data types.The casting operator is required to cast a data type to another type.The destination data type could be smaller than the source data type.It happens during the program design.It is also known as narrowing conversion since the destination data type may be smaller than the source data type.It is generally used in coding and competitive programming.It is efficient.It is ...
Read MoreDifference Between break and continue
In this post, we will understand the difference between break and continue statements.breakIt is used to terminate the enclosing loop like while, do-while, for, or switch statement where it is declared.It resumes control over the program until the end of the loop.It also helps with the flow of control outside the loop.It is used with ‘switch’ and ‘label’ since it is compatible.Following is the flowchart of break statement −continueIt helps skip the remaining part of the loop.It continues to execute the next iteration.It causes early execution of the next iteration of the enclosing loop.It can’t be used with ‘switch’ and ...
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