What is Hexa decimal? Why Hexadecimal Often Used in Assembly Language?

What is hexadecimal? Hexa decimal numbers are commonly used in microcontrollers, microprocessors etc. The term 'Hexa Decimal' indicates Hexa (six) and Decimal (ten) i.e. Sixteen. That is the base-16 number system.

At the very launch of computer expansion it was realized that people had many complexities in managing binary numbers. For this reason, a new number system using 16 different symbols was developed. It is called hexadecimal number system and consists of the ten digits and 6 alphabets, i.e. (0, 1, 2, 3, …. 9, A, B, C, D, E and F).

In this article we will cover why is hexadecimal used, binary to hexadecimal conversion and hexadecimal to decimal conversion table.

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What is Java applet? How it is useful to study and simulate Electronics

Are you interested to study basic electronics principle and concepts, circuits with interactive animations? Yes, this is possible via java applet technology. What is java applet? A java applet is a program written in java programming language that can be integrated in a HTML page, in the same way as an image is incorporated in a web page.

Java is a programming language which was developed at Sun Microsystems in 1990. Applets are used to make the website more dynamic and entertaining. They are designed to run inside a web browser and to perform some tasks such as animated graphics, simulation of circuits and interactive tools. To view a java applet, you need to install Java plug-in and Adobe Flash player (both download link are given).

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How are DTMF Tones Generated? Basic Principle and use of DTMF in Communication

What is DTMF (Dual Tone Multi Frequency)? DTMF is a common communication term for touch tone phones. The tones formed when dialing on the keypad (DTMF digits or DTMF number) on the phone can be used to characterize the digits, and some different tone is used for each digit. DTMF signaling is mainly used in DTMF phones, telephone switching system.

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