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Li-Fi vs Wi-Fi: A Battle of Light and Waves

Li-Fi vs Wi-Fi: A Battle of Light and Waves Li-fi is a light fidelity device that supports only the infrared and other lighting systems to transfer the data to the device which is used to receive from the sender device. Wifi is a wireless fidelity device that supports the radio waves to transfer the data to the wifi device which is used to receive the wifi signals at the limited ranges due to the device version capacity. Introduction to the computer system and computer applications related topics are listed following below here: Li-Fi vs Wi-Fi: A Battle of Light and Waves Let’s discuss the computer system related topic and questions above listed and their answers are following below here: Li-Fi vs Wi-Fi: A Battle of Light and Waves There are some points on the computer system and data communication related to the topic of “Li-Fi vs Wi-Fi: A Battle of Light and Waves” following below here: Lifi based data communication system:- Li-Fi is a light based signal data transmission ...
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Why is it necessary to build application software?

Why is it necessary to build application software?

The application software built by the developers and programmers to provide the functionality to the application software and built the function into the program of an application software.

The application software is used to provide the functionality built into the program on the application software. Some functions are predefined and some functions are user defined into the program on the application software.

The predefined functions takes data and value from the library of integrated development environment software and user defined functions are customized on the program to perform a task into the program of the application software, the functions provide the output data by taking some values from the input resource on the program variable to perform and provide the output data  to the end user.


Introduction to the computer system related to the topic of computer system and application software and the topic is below here:


Why is it necessary to build application software?


Let's discuss the topic mentioned above about computer systems related to applications software and the topic of "Why is it necessary to build application software?" and explained following below here:


Why is it necessary to build application software?

There are some points on the computer system and application software development related to the topic of "Why is it necessary to build application software?" following below here:




Built some parts of an application software is necessary for development of application software to improve the different types of sections of an application software such as:-


  • Built the system design model with new option and looks for quick understand
  • Built the programming concepts for processing the input values
  • Built the database programming concepts that provide the output data using the query program
  • Security section need to apply both types of program database and integrated programming language to process the input value for verification


Let's discuss these points listed above about computer systems and application software development related to the topic of "Why is it necessary to build application software?" explanation following below here:


Built some parts of an application software is necessary for development of application software to improve the different types of sections of an application software such as:-


Built the system design model with new option and looks for quick understand

Built the system design model with new option and looks for quick understand that means the system design model of an application software is used to provide the interface of the application software to take a response from the end user through the input resource and provide the output interface of the design model of an application software on the screen of monitor output device of a computer system.

The build of system design is used to create a program to display the interface of the form and provide the interaction on the computer system for the end user.

The new option is used to provide a new look and interface to be built for the end user.


Built the programming concepts for processing the input values

Built the program and concepts for processing the input values that means the program takes input values from the input resource of a computer system and stores the input value in the variable to declare the value for processing the data to provide the output result and output information to the end user on their output interface on the computer system.

The function is used to process the input value and provide the output value to the end user on the output interface of the application software.

The build condition, expression and functions are applied on the user defined functions that solve the input value and provide the output data.


Built the database programming concepts that provide the output data using the query program

Built the database programming is used to process the input values and provide the output data using the process system of database programming to solve and the data and process the data using the database programming such as for relational database model uses the SQL and the Object database model uses to process the OQL and DQL for the object data process.

The database file is used to process the input value and manage the data in the database file for the application software to process and provide the output information processed by the database programming on the application software on the computer system or smartphone device.


Security section need to apply both types of program database and integrated programming language to process the input value for verification

Security model included the database file and program file to execute the program of the security verification system and provide the protection on the user account to allow the end user to access their account on the application software.

Security model process and data control in the database file and integrated programming language is used to process the input value on the application software.

Security model interface provides the layer for the end user on the account interface to access the account on the application software.

The security model interface included the username and password with a button to run the verification process on the security model.

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