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MS-EXCEL  is a part of Microsoft Office suite software. It is an electronic spreadsheet with numerous rows and columns, used for organizing data, graphically represent data(s), and performing different calculations.  It consists of 1048576 rows and 16383 columns, a row and column together make a cell. Each cell has an address defined by column name and row number example A1, D2, etc. this is also known as a cell reference. Cell references:  The address or name of a cell or a range of cells is known as Cell reference. It helps the software to identify the cell from where the data/value is to be used in the formula. We can reference the cell of other worksheets and also of other programs. Referencing the cell of other worksheets is known as External referencing. Referencing the cell of other programs is known as Remote referencing. There are three types of cell references in Excel:   Relative reference. Absolute reference. Mixed reference. The Ribbon  in MS-Excel is the topmost row of ta

  Microsoft word is a word processor software developed by Microsoft in 1983. It is the most commonly used word processor software. It is used to create professional quality documents, letters, reports, resumes, etc and also allows you to edit or modify your new or existing document. The file saved in Ms Word has .docx extension. It is a component of the Microsoft Office suite, but you can buy it separately and is available for both Windows and macOS.  Features of MS Word Now let us discuss the features or components of the Ms Word. Using these features, you can perform different types of operations on your documents, like you can create, delete, style, modify, or view the content of your document.  1. File It contains options related to the file, like New(used to create a new document), Open(used to open an existing document), Save(used to save document), Save As(used to save documents), History, Print,  Share, Export, Info, etc. 2. Home It is the default tab of Ms Word and it is gene

Operating System: An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Types of Operating Systems: 1. Single Task & Multi Tasking Systems:      A single-tasking system can only run one program at a time, while a multi tasking  operating system allows more than one program to be running concurrently. Single Task Functions like printing a document, downloading images, etc., can be performed only one at a time. Examples include MS-DOS, Palm OS, etc. Multi Tasking Operating Systems Examples include Microsoft Windows and Macintosh OS. 2. Multiuser/Multitasking OS It is an operating system that permits several users to utilize the programs that are concurrently running on a single network server. The single network server is termed as "Terminal server". "Terminal client" is a software that supports user sessions. Examples include UNIX, MVS, etc. 3. Distributed Operaing Syste