Levels of Abstraction in DBMS
Database Management System (DBMS) is a software system that manages data stored in databases. It provides a platform for users to create, retrieve, update, and delete data. One of the...
Aggregate Functions in DBMS
Aggregate Functions in DBMS are an essential component that helps the user in the analysis and extraction of meaningful information from large datasets. The Aggregate Functions in DBMS perform the...
Difference between Microprocessor and Microcontroller
Microprocessors and microcontrollers are considered to be the most used components in any electronic device. In fact, both of them are essential for the working of electronic equipment. Both devices...
Uses of Computer Network
Computer networks play a crucial role in modern society, facilitating communication, data sharing, and resource access among devices. They are used in various industries and settings, including business, education, healthcare,...
Applications of DBMS
Database Management System (DBMS) is a software system that allows users to create, maintain, and manipulate databases. It is a critical tool for businesses and organizations that need to store...
Cursor in DBMS
A cursor in DBMS allows programmers to work with individual records rather than entire sets of data. A Cursor in DBMS is particularly useful when dealing with complex queries or...
Types of Keys in DBMS
In Dbms (database management system) keys play an important role, A key is a field or combination of fields that uniquely identify a record or row in a table. Keys...
BharOS Operating System
BharOS is an emerging operating system developed to meet the specific needs of Indian users and industries. Designed with a focus on security, privacy, and performance, BharOS is part of...
Multiprocessing Operating System
When talking about the features of an operating system, we often encounter the term "Multiprocessing". Multiprocessing Operating System is a technology that utilizes multiple processors in a system to enhance...
Full Wave Rectifier and Its Types
A rectifier is an electronic circuit which converts alternating current (AC) to direct current (DC). It is commonly used in power supplies for electronic devices that require DC voltage. Rectifiers...
Modem in Computer Network
In the current digital era, the internet has evolved into an integral aspect of our daily lives, with computer networks serving as a fundamental requirement for both individuals and businesses....
Firewall in Computer Network
Nowadays, protecting our sensitive data from unwanted and unauthorized sources is a significant challenge. There are various tools and devices that can provide varying levels of security and help keep...
Components of Computer Network
A computer network is a collection of interconnected devices that allow communication and resource-sharing between them. These devices can range from personal computers to servers, printers, routers, and switches. Computer...
Routing Algorithms in Computer Networks
In computer networks, routing is the process of selecting the path along which the data will be transferred from the source node(device) to the destination node. This path is determined...
Protocol in Computer Network
In the realm of computer networking, protocols are essential. They establish the rules and conventions for communication between network devices, ensuring that data is transmitted accurately and efficiently. Without protocols,...
Gateway in Computer Network
In the realm of computer networks, a gateway plays a pivotal role by acting as a bridge between different networks, enabling communication and data flow between them. Gateways are essential...
Subnetting in Computer Networks
Subnetting is the process of dividing a large network into smaller sub-networks, or subnets. This is done to improve network performance, security, and management. Subnetting allows for more efficient use...
Difference between Hashmap and Hashtable
In Java, HashMap and Hashtable are two commonly used data structures for storing and retrieving key-value pairs. Both data structures implement the Map interface and provide similar functionality, but there...
Can We Create Object of Abstract Class?
Abstract classes in object-oriented programming serve as blueprints for other classes but cannot be instantiated themselves. They typically contain abstract methods that must be implemented by subclasses. Despite this restriction,...
Protected Access Specifier in Java
In Java, access specifiers are used to defining the visibility and accessibility of class members such as variables, methods, and inner classes. Java has four access specifiers: public, private, protected,...
Access Control in Java
Access control in Java is a fundamental concept that determines what parts of a program can be accessed and manipulated by which parts of the program. Like other object-oriented programming...
Difference between Composition and Inheritance
In object-oriented programming (OOP), composition and inheritance are two fundamental concepts used to build complex systems from simpler ones. Both serve to create relationships between classes, but they do so...
Difference between Array and String
In programming, arrays and strings are fundamental data structures used to store and manipulate collections of data. While they may seem similar, they serve different purposes and have distinct characteristics...
Types of Computer Networks
The types of computer networks were introduced as a way to categorize different types of networks based on their size, scope, and purpose. As computer networks increased in complexity and...
Topology in Computer Network
In the realm of computer networking, topology refers to the arrangement of nodes and connections in a network. It defines how devices such as computers, servers, routers, and switches are...
Switch in Computer Network
Switches are fundamental components in computer networks, crucial for connecting devices within a local area network (LAN). Unlike hubs, which broadcast data to all connected devices, switches intelligently direct data...
Digital Signature in Cryptography
A digital signature in cryptography is a secure and reliable way to authenticate and verify the integrity of digital documents. Digital signatures use public key cryptography to ensure that only...
Web Server: Functions, Architecture and Types
In the modern era, the internet has evolved into an essential component of virtually every facet of our existence. It serves as a tool for communication, leisure, learning, and even...
Half Wave Rectifier and Its Working
A rectifier is a device that converts alternating current (AC) to direct current (DC) using one or more P-N junction diodes (DC). Half wave rectifiers convert AC voltage to DC...
8051 Microcontroller Architecture
The 8051 microcontroller is a widely used 8-bit microcontroller known for its versatility and low power consumption. Its architecture is based on Harvard architecture and includes a range of features...