PLA

Introduction PLA stands for Programmable Logic Array. Definition A Programmable Logic Array (PLA) is a digital logic device that allows us to implement/create a customized type of combinational logic circuits as needed. Characteristic Features The advantages of PLAs include flexibility and the ability to implement custom logic functions without the need for custom IC design. However, PLAs can be relatively complex and may have limitations in terms of speed and power consumption for very high-speed …

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Demultiplexer

Introduction of the Demultiplexer A demultiplexer is also known as a “Demux” or “Data Distributor“.  Definition A demultiplexer is a digital logic circuit that takes a single input and distributes it to one of several possible output lines based on the value of its control inputs. Characteristic Features They are fundamental components in digital circuit design and are often used in combination with multiplexers for data routing and selection purposes. Structure & Working Principle A …

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Decoder

Definition of Decoder A decoder is a digital logic circuit that performs the reverse function of an encoder by taking binary input and activating one of several output lines based on the binary input code.  Characteristic Features The most common type of decoder is the binary-to-decimal decoder, which decodes a binary input into one of several possible decimal outputs. Structure and Working Principle Decoders are commonly used in digital systems to select specific devices or …

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Encoder

Introduction of Encoder The Encoder is an essential component in various electronic and communication systems, where they play a crucial role in converting and processing information accurately and efficiently. Definition An encoder is a digital electronic circuit or device used to convert data from one format or representation to another. Characteristics This logic circuit is a digital circuit that converts multiple input lines into a smaller number of output lines hence it is called a …

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Multiplexer

Introduction of Multiplexer A multiplexer is often abbreviated as MUX. It is a fundamental building block in digital circuit design. Definition A multiplexer is a digital electronic circuit used in digital systems that performs the function of selecting one of many input signals and forwarding them to a single output line. Characteristics Multiplexers are the fundamental components of digital electronics. Multiplexers are versatile and widely used in digital design because they provide a means of …

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Boolean Algebra

Boolean Algebra History Boolean algebra was developed by George Boole in the mid-19th century and has since become a cornerstone of digital circuit design, programming, and formal logic. Introduction Boolean algebra is a branch of mathematics and a fundamental concept in computer science and digital electronics. It forms the foundation for designing and analyzing digital systems and algorithms. It is also a fundamental concept in computer programming, especially in conditional statements and logical operations. Definition …

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Fragment & its Life Cycle

The fragment is a part of the Activity in which we can create and display one or multiple screens in one activity as per application requirements. It is the modular section of the Android activity. Hence, it is sometimes called Sub-Activity. A fragment encapsulates the functionality of an individual fragment so that it is easier to reuse within those activities and layouts. We can also use the concept of fragments to create different layouts for …

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Android Layouts & Attributes

Android Layouts In Android, Layouts are fundamental building blocks of the user interface. They are containers that dictate the visual structure and arrangement of the UI components (like TextView, Button, ImageView, etc.) placed within them. In Android development, layouts define the structure and arrangement of UI components (such as buttons, text views, images, etc.) on the screen. Layouts are essentially containers that hold and organize these UI elements. Layouts are subclasses of the ViewGroup class. Android layouts are essential containers that hold …

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Difference Between

Difference between View and View Group Slno View View Group 01. View is simply a rectangle structre that is used to create required UI designs for an Activity which responds the user’s actions or events. ViewGroup is an invisible frame or container, normally used to hold/combine one or more View and ViewGroup together. 02. A View object is a component of the user interface (UI) design. A ViewGroup object is a layout/container. 03. Examples of …

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Reference Books

Slno Name of Books Authors Publications 01. Headfirst Android Development Dawn Griffiths O′Reilly 02. Android App Development FD Michael Burton For Dummies 03. Android Programming for Beginners John Horton Packt Publishing 04. Android Cookbook Ian Darwin O′Reilly 05. Android Application Development All-in-One For Dummies Barry Burd For Dummies 06. Android Programming Erik Hellman Wiley 07. Fundamentals of Android App Development Sujit Kumar Mishra Bpb Publications 08. Learn Android Studio Clifton Craig and Adam Gerber Apress …

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