Get the notes of Computer and IT Application subject.
What is an Input Device? An input device is defined as the inputting tool of the computer. From this, we input the raw data into the computer system for further processing. Mainly in the computer system, input devices are of two types drawing & pointing devices and scanner input devices. Drawing and Printing Input Devices … Read more
Internet Protocols Definition Internet protocols are the set of rules of networking. The standard rules and regulations of the networking system are called protocols. These are the methods and name which are used to make the network standard to work. 12 Types of Internet Protocols and Their Functions: 1. Point to point protocol (PPP) Point … Read more
Intranet & Extranet deinition Introduction to Intranet The private network structure is an intranet where extranet is also similar to intranet but it has specific linked people. An intranet may exist as LAN or WAN or other forms. Also, it is a secured isolated private network structure only by using the “Firewall” techniques. Similarly, it is a most useful network … Read more
Email (E-mail) Definition Email is the electronic way for transmission of messages as well as information with the help of the internet. Via email we can send or receive information, information may be text, audio, video, image, etc. E-mail is fully based on the internet without the internet there is impossible to communicate with others … Read more
Introduction to the internet, WWW, web browsers & Search Engine Introduction to internet The internet is the largest computer network in the world connecting millions of computers in the web. A network is a group of two or more major applications linked together. The Internet is defined as the international network that integrates the computer … Read more
Entity Relationship Diagram (ER – Diagram) The entity-relationship diagram is a set of entities that describes the database through the diagram. It is also known as the ER – diagram. The ER model defines the conceptual view of a database. It works around real-world entities and the associations among them. At the view level, the … Read more
Database management system (DBMS) & Relational database system (RDBMS) BBA | BBA-TT | BHCM DBMS is the software for creating and managing databases and RDBMS is a program that lets you create, update, and administer a relational database. Database management system (DBMS) A database management system (DBMS) is a software that permits an organization to … Read more
Database Importance & Objectives A database is a collection of information that is used to organize and access information according to the logical structure of that information. A database supports both online transaction processing (OLTP) and online analytical processing (OLAP). The database that supports OLTP is known as an operational database. It is also called a … Read more
Introduction to presentation/ PowerPoint & features Ms-PowerPoint is presentation software developed by Microsoft. The user can make slides, design name, format them, set animation, set effect, set transition in either particular slide or all slides. This is mostly used in display project overview and display-making strategy etc. PowerPoint presentation is a way of attracting the … Read more
File Processing System or Traditional File Approach Definition & Problems Traditional file processing system was used to manage information. It stores data in various files of different application programs to extract or insert data to the appropriate file. This processing system has several drawbacks due to which database management system is required. A file is a … Read more