Software development is the process of writing and maintaining source code, writing applications, or modifying software and configuration. The term refers to a distinct phase of the software life cycle.
What is software?
Software is a set of instructions that tells the computer how to perform specific tasks. The software can be thought of as an instruction book or manual for the hardware components of a computer system, which carry out its instructions.
Tasks that software can control include business data processing, accounting, networking, and communication. Indeed, there are many different types of software. There are word processing, drawing, and graphics programs, for example, as well as accounting software.
It can be difficult to list the different types of programs because almost all programs contain some type of programming language. But here is a list of some common categories:
Accounting software is used to track money in a business or organization. Some accounting programs, such as QuickBooks and Peachtree, are specialized, while others are more general. All accounting software is used to record income and expenses, monitor cash flow, and store financial information.
Application software is used to perform specific tasks in the business or home. The most common examples are word processors, spreadsheets, and databases. Using this type of program makes it easier to perform certain tasks that would otherwise be time-consuming or impossible to do by hand. For example, a person using an application program can easily sort thousands of items into groups based on any number of criteria.
What are the steps in creating software?
Steps in creating software:
- Software requirements specification- document description of what the system or application should do. This documents is produced by software engineers or analysts.
- Software design- documentation that describes how the application will work, in flowchart form. This documents is produced by software engineers or analysts and reviewed by stakeholders, who are people with decision making power in the project.
- Coding – writing computer code, also known as programming.
- Testing – verifying that a program performs according to its requirements and specifications; finding and removing errors and bugs from the program code before it is documented for release to the user. Quality assurance (QA) department performs testing along with testing team
- Deployment – installing, configuring and making the program available to end users
- Maintenance- fixing bugs and adding enhancements or new features to existing software
What are the different programming languages used to create software?
Other uses include client-side scripting (e.g., in Web browsers), which does not require a Web server or network connection, server-side scripting using frameworks such as Node.js, data visualization using D3, game development, and desktop applications with Adobe AIR or Java applets.
What is Java?
Java is a versatile, concurrent, class-based, object-oriented computer programming language that is specifically designed to have as few implementation dependencies as possible. It is intended to allow application developers to “write once, run anywhere” (WORA), which means that code that runs on one platform does not need to be recompiled to run on another.
Java applications are typically compiled into bytecode (class files) that can run on any Java Virtual Machine (JVM), regardless of the computer’s architecture. The original and reference Java compilers, virtual machines, and class libraries were developed by Sun Microsystems (which was acquired by Oracle Corporation in 2010).
The Java language derives much of its syntax from C and C++, but it has fewer low-level features than either of those languages. The Java reference manual lists 165 classes grouped in java.* and 121 in java.*. Its API is stable and will not be subject to any feature enhancements or major revisions during its life cycle. Any enhancements or changes are expected to occur in a new version of the platform instead of being backported, which ensures binary compatibility between versions. There is a Java compiler for almost every operating system imaginable: Microsoft Windows, Solaris, and OS X on the desktop, embedded systems, and video games.
What is Python?
Python is a programming language that allows you to work faster and integrate your systems more efficiently. Python runs on Windows, Linux/Unix, Mac OS X, and has been ported to Java and .NET virtual machines. You can learn to use Python in a single day.
Python is an interpreted, object-oriented programming language. Its high-level built-in data structures, combined with dynamic typing and dynamic binding, make it very attractive for rapid application development, as well as for use as a scripting or glue language to connect existing components. Python’s simple, easy-to-learn syntax prioritizes readability and thus reduces the cost of program maintenance.
Python supports modules and packages, which encourages program modularity and code reuse. The Python interpreter and extended standard library are available free of charge as source or binary for all major platforms and can be freely distributed.
Although originally developed by Guido van Rossum between 1985 and 1990, implementation of Python began in 1989 by Dutch programmer Guido van Rossum at Centrum Wiskunde & Informatica (CWI) in the Netherlands.
What is Ruby?
Ruby is a programming language that is used to develop applications that are much more dynamic than traditional applications. It is an open-source, object-oriented language created by Yukihiro Matsumoto.
For beginners, it is a very simple language to understand and learn. One of the advantages of Ruby on Rails is that you can use it to create websites for both desktop computers and mobile devices.
Creating websites is not only easy with Ruby on Rails but also very fast, as everything is done automatically. There are no annoying codes or syntaxes that you have to follow to create your website. The Ruby programming language has gained immense popularity because of the many advantages it offers to programmers.
With this programming language, users can easily create basic websites as well as complex web applications. The best thing about this language is that it has a huge community support system. You can always find Ruby on Rails experts who will help you if you face any problems while using the programming language.
What is PHP?
PHP is a scripting language originally designed to produce dynamic web pages. It can be added to HTML pages that contain basic formatting and textual content so that the resulting page can perform complex interactions and display dynamic content. The acronym stands for “PHP: Hypertext Preprocessor”.
PHP is free software released under the PHP license. It is a popular scripting language that runs on many different platforms (including Windows, Mac OS X, Linux, Solaris, HP-UX, etc.). PHP code is embedded in the source code of an HTML document. When the webserver processes the HTML document, it interprets any PHP code between the <?php and ?> tags as instructions to generate the dynamic content of its web page.
Description: PHP is an open-source project written in C and is available for many different platforms, including Windows, Mac OS X, Linux, Solaris, and FreeBSD. There are two versions of PHP: one written in C (also known as “stock” or “plain” PHP) and one written in an object-oriented programming language called Zend (which also has a special runtime mode
called Zend Accelerator). Both versions are available for free under the PHP license. The main difference between the two versions of PHP is performance: the Zend version is faster.
What is C++?
C++ is a programming language developed by Bjarne Stroustrup in 1979 at Bell Labs. It is an object-oriented programming language that supports both procedural and structured programming. It was originally released as the successor to the C programming language.
Along with Java, C++ is one of the most popular programming languages used for commercial applications and software development. It is used in the development of games, embedded software, high-performance server, and client applications, video games, operating systems and user interfaces, database management systems such as e-commerce sites like Amazon.com, Microsoft Office programs such as Word and Excel, graphics rendering engines for movies such as those from Pixar, etc.
The C++ language was standardized by ISO/IEC in 1998. The current version of C++ was standardized in 2011.
C++ is an old programming language but it is still widely used today because it is powerful, flexible, and expressive. As the name suggests, it is based on the C language with additional features related to object-oriented programming.
How much does it cost to create software?
Software development is the process of writing and maintaining the source code, or written instructions, that tell a computer what to do. Source code is written in one or more programming languages (e.g., Fortran, C++, Java), which are used to create software.
Description: The time and cost required to create software depend on the type of software being developed and the language in which it is written. For example, developing an enterprise application for Microsoft Windows using C++ will be more expensive than developing a mobile application for iPhone using Objective-C.
On average, it takes about $250,000 to $350,000 to develop software on the Windows platform with the .NET framework. In contrast, developing software on the Linux platform using C++ can cost $1 million or more. Similarly, developing mobile applications for iPhone using Objective-C costs around $50,000 to $100,000, while the same software for Android costs around $125,000 to $150,000.
What is software?
Software is a collection of computer programs, procedures, algorithms, and related documentation concerned with the operation of a data processing system. The term was coined to contrast to the old term hardware (meaning physical devices). In computer science software is defined as “a collection of machine-readable instructions that cause a computer to perform predetermined functions.”
A computer program is a set of instructions (instructions are also known as statements or commands) that cause a computer to perform an arbitrary set of operations. A program allows the user to specify arbitrary computations without having to know any of the details about the way the computations are carried out. The process of writing a program is commonly referred to as programming; creating an executable program is sometimes referred to as compiling. Source code is written in one or more programming languages.
What is a programming language?
A programming language is a special language that we use to give instructions to a computer so that it can do something for us, such as display an image, play a sound, or calculate numbers.
Describing a programming language
A definition of a programming language has two parts. The first part defines what it does, and the second part tells us how it does it.
The first part answers the following types of questions:
What does the programming language do? What kind of things can you program in it? How powerful is it? The second part answers the following questions:
How does the programming language work? How are programs written in this language structured? What type of information do they contain? Can you give specific examples of this language?
All programming languages have both parts. The more powerful and complex a language is, the more answers there are to these questions.
What are the different programming languages used to create software?
C, C++: These computer languages are often used to create low-level applications such as operating systems or device drivers.
Java: This language is often used to develop software for websites and mobile devices.
Python: Python is another popular software language that can be used for desktop and web applications.
Perl: Perl is a general-purpose high-level programming language that can be used for many different types of applications, ranging from system administration to web development.
Ruby: Ruby is an interpreted, object-oriented scripting language created by Yukihiro “Matz” Matsumoto in the 1990s. Ruby was designed from the start to be very readable. It is often called the programmer’s best friend.
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