Complex Numbers

Based on the concept of real numbers, a complex number is a number of the form a + bi, where a and b are real numbers and i is an indeterminate satisfying i2 = −1. For example, 2 + 3i is a complex number. This way, a complex number is defined as a polynomial with real coefficients in the single indeterminate i, for which the relation i2 + 1 = 0 is imposed. Based on … Continue reading Complex Numbers →

JOptionPane – Java

Dialog Boxes A dialog box is a small graphical window that displays a message to the user or requests input. A variety of dialog boxes can be displayed using the JOptionPane class.   Two of the dialog boxes are: Message Dialog - a dialog box that displays a message. Input Dialog - a dialog box … Continue reading JOptionPane – Java →

Designing circuit board with advanced interactive simulation

Software: Proteus 8.6 Professional Proteus 8.6 Professional is an amazing software which is specially created for the designers to build and verify more easily the circuit boards . To create a circuit board is a very specialized tasks and it requires huge knowledge about that as well as the tools to get the job done. … Continue reading Designing circuit board with advanced interactive simulation →

I/O Hardware And Standard I/O Interfaces

*lecture (Computer System Architecture) *notes A different interface may have to be designed for every combination of I/O device and computer, resulting in many different interfaces.  The most practical solution is to develop standard interface signals and protocols. I/O Hardware The processor, main memory, and I/O devices can be interconnected by means of a common … Continue reading I/O Hardware And Standard I/O Interfaces →

How to run Java program by using CMD in Windows 10

For running a Java program first, you have to install a Java on your system. copy the java folder to drive C, then run the Jcreator software LE version setup ( I used jcrea500_setup.exe) JCreator is backwards-compatible with all previous version of the JDKs published by Sun Microsystems. The following releases have been tested. JDK … Continue reading How to run Java program by using CMD in Windows 10 →

Program Flowchart – Online Inventory Management System

List of Flowchart: System Flowchart Program Flowchart (Admin Dashboard) Program Flowchart (Admin User Management page) Program Flowchart ( Admin Add New User ) Program Flowchart (Admin Edit User) Program Flowchart ( Admin Category Management Page) Program Flowchart (Admin Brand Management) Program Flowchart (Admin New Brand) Program Flowchart ( Admin Edit Brand) Program Flowchart (Admin product … Continue reading Program Flowchart – Online Inventory Management System →

How to reset Auto Increment back to 1 in XAMPP MySQL using phpMyAdmin

Once the system is up and running and you have done so many tests for your database entry the entries just kept on accumulating even when you deleted every records from the table, that has an AUTO Increment ID field, the delete option will not reset the Auto Increment.  There are two methods to reset the numbering: Method … Continue reading How to reset Auto Increment back to 1 in XAMPP MySQL using phpMyAdmin →