Write short notes on the following :

(i) word processor

(ii) electronic spreadsheet

(iii) DBMS

(iv) presentation software

(i) Word Processor — A word processor is an application program that allows entering, editing, formatting and printing text. We can use a word processor to create almost any kind of document be it a term paper, business letter, thesis work, memos, legal document, newsletter, reports and even a book. For example, Microsoft Word, Wordperfect, etc.

(ii) Electronic Spreadsheet — An Electronic Spread-sheet is a program that accepts data in a tabular form and allows users to manipulate / calculate / analyze data in the desired manner. Spreadsheets also allow visualisation of data through graphs and charts. For example, Microsoft Excel, LibreOffice Calc etc.

(iii) DBMS — A Database Management System or DBMS is a software application that enables users to efficiently store, organize, manage, and retrieve data in a structured manner. It is like a big digital filing cabinet where data is kept in neat tables and rows. A DBMS provides the necessary tools to create and manipulate data in the database. For example, Microsoft Access, Oracle, etc.

(iv) Presentation Software — The software that can create professional looking visual aids is called Presentation Graphic Software. Presentation graphics software provides predefined backgrounds and sample page layouts to assist in the creation of computer-driven slide shows. For example, Microsoft PowerPoint, Keynote etc.