IRIS EDUCATION

What is Computer? Computer is an electronic machine(device), which helps us to do calculation and save data. OR C omputer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. Parts of Computer -  Computer is basically divided into three main parts, Input, Processing and Output device or we can say that Input, Processing and Output device combined together to form Computer. Example -  Input Device - Keyboard, Mouse, Microphone, Scanner, etc. Processing Device - CPU, GPU, LAN card, Video card, etc. Output Device - Monitor, Printer, Speaker, Projector, etc. As, from the definition of computer we have learned that computer can receive data as Input and display data on Output device, but what is data? What is Data? Data is a type of information which we can send in the computer through the Input device and send out from the computer through the Output device i...

What is Data? Data is a collection of facts or information which we input into the computer. Like name, age, gender, images, videos, etc. All these data's are stored in unorganized way in computer, but in database we can store all these data in an organised manner. What is Database? Database is a collection of information that is organised so that it can be easily accessed, managed and updated. Formally the database refers to the set of related data organized in a manner. Access to these data is usually provided by a system called Database Management System(DBMS).