A computer is an electronic device that processes raw data into information. It accepts data as input, processes it based on programmed instructions, and produces output. Computers have advantages like increased productivity and ability to store vast amounts of data, but also disadvantages like potential privacy loss and health issues from excessive use. Common applications include MS Word for creating documents, MS Excel for working with numerical data in spreadsheets, and MS PowerPoint for making presentations. These applications allow formatting of text, inserting tables and images, mail merging, and other functions.

1. AJAY
A j a y

2. INTRODUCTION OF
COMPUTER
A computer is an electronic machine that
processes raw data to give information as
output. An electronic device that accepts data as
input, and transforms it under the influence of a
set of special instructions called Programs, to
produce the desired output (referred to as
Information).

3. DEFINITION OF COMPUTER
◦ A computer is a machine or device that performs
processes, calculations and operations based on
instructions provided by a software or hardware program.
It has the ability to accept data (input), process it, and
then produce outputs.

4. ADVANTAGES OF COMPUTER
◦ Increase your productivity. ...
◦ Connects you to the Internet. ...
◦ Can store vast amounts of information and reduce waste. ...
◦ Helps sort, organize, and search through information. ...
◦ Get a better understanding of data. ...
◦ Keeps you connected. ...
◦ Help you learn and keep you informed. ...
◦ Can make you money.

5. DISADVANTAGES OF COMPUTER
◦ Below is given a list of many of the disadvantages of a computer and described
what kind of problem you may face.
◦ Too much sitting. ...
◦ Carpal tunnel and eye strain. ...
◦ Short attention span and too much multitasking. ...
◦ Potential of loss of privacy. ...
◦ Can limit learning and create a dependency. ...
◦ Time sink and lots of distractions.

6. SOME APPLICATIONS OF MS OFFICE
1 ms word
2 ms excel
3 ms powerpoint

7. MS WORD
◦ 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 .

8. FEATURES OF MS WORD
Home
This has options like font colour, font size, font style, alignment, bullets, line spacing, etc. All the basic elements which one may need
to edit their document is available under the Home option.
Insert
Tables, shapes, images, charts, graphs, header, footer, page number, etc. Can all be entered in the document. They are included in the
“Insert” category.
Design
The template or the design in which you want your document to be created can be selected under the Design tab. Choosing an
appropriate tab will enhance the appearance of your document.
Page Layout
Under the Page Layout tab comes options like margins, orientation, columns, lines, indentation, spacing, etc.

9. INTRODUCTION OF MS EXCEL
MS Excel is a commonly used Microsoft Office application. It is a spreadsheet program which is used to save
and analyse numerical data.
In this article, we bring to you the important features of MS Excel, along with an overview of how to use the
program, its benefits and other important elements. A few sample MS Excel question and answers are also
given further below in this article for the reference of Government exam aspirants.
MS Excel is a spreadsheet program where one can record data in the form of tables. It is easy to analyse data in
an Excel spreadsheet. The image given below represents how an Excel spreadsheet looks like:

10. EXCEL SHEET

11. INTRODUCTION OF MS POWERPOINT
◦ It is a presentation-based program that uses graphics,
videos, etc. To make a presentation more interactive and
interesting. The file extension of a saved Powerpoint
presentation is “.ppt”. A PowerPoint presentation
comprising slides and other features is also known as
PPT

12. Given below are a few important things that one must know about the
development and introduction of Microsoft PowerPoint:
The program was created in a software company named Forethought, Inc. By Robert Gaskins and Dennis
Austin.
It was released on April 20, 1987, and after 3 months of its creation, it was acquired by Microsoft.
The first version of this program, when introduced by Microsoft was MS PowerPoint 2.0 (1990).
It is a presentation-based program that uses graphics, videos, etc. To make a presentation more interactive
and interesting.
The file extension of a saved Powerpoint presentation is “.ppt”.
A PowerPoint presentation comprising slides and other features is also known as PPT

13. CREATING BUSINESS LETTER USING
WIZARD
1. Click “Tools”
2. Click “letter wizard”
3. Enter the information for-letter format tab and
click recipient information tab

14. 4. Enter the information for “recipient info” tab and click “ business” radio button
5. Choose “ other elements” tab
6. Click the required check box to include reference line,
Attention,etc .
Then enter the details for include items
7. Choose “sender information” tab
8. Enter the information for there under information tab and click “ok”
The structure of letter will be created with the given information

15. EDITING WORD DOCUMENTS
Editing is the act of making alternation in the content of a document.
The “ Edit” menu is used for this purpose
• Undo typing
• Repeat typing
• Cut
• Paste
• Paste special
• Clear
• Select all
• Find
• Replace
• Go to

16. FORMATTING DOCUMENT
Formatting means imporving the appearance of a document.
The format menu is used to format a document
• Font option
• Paragraph option
• Bullets and numbering
• Borders and shading
• Columns
• Tabs
• Drop cap
• Change case
• Background
• Theme
• Frame
• Auto format

17. FONT OPTION
1. Font such as Times New Roman,Arial,etc.
2. FONT styles such as regular , Italics ,etc
3. Size
4. Font colour
5. Underline style
6. Special effects such as strikethrough , subscript , etc
STEPS INVOLVED IN IMPLEMENTING THE EFFECT ON
TEXT
• Select the text that need change
• Open the font window and set the required features
• Click “ ok “

18. PARAGRAPH
OPTION
1. Left , right or center alignment
2. Left and right indentation
3. Line spacing like single, double etc.
4. Page break, suppress line numbers.

19. BULLETS AND
NUMBERING
Bullets and numbering are used to show the listing in a document in a
document in a neat manner. Bullets consists of some special symbol

20. SPELLING AND GRAMMAR
CHECK
When we type a document, MS
word Automatically underline
the words, which are
incorrect.if any sentence ig
grammatically wrong the whole
sentence will be underline in
red colour.

21. WORD COUNT
This feature is used to count the number of
pages, word characters, paragraph and lines
in the current document .

22. THESAURUS
It is used to find synonyms
Antonyms and related Words.
STEPS INVOLVED IN OPENING THE
THESAURUS WINDOWS
◦ Select the word
◦ Click “Tool” menu
◦ Choose “ language”
◦ Click “ Thesaurus

23. INSERT TABLE
1. Click “table” menu
2. Choose “insert” option
3. Click “table” option
4. Enter the number of column and rows
5. Select suitable table format using “Auto format”
button
6. Click “ok”

24. MAIL MERGE
It is a feature available in MS word to create the
same type of letter to be sent to many recipient
at different locations.
STEPS OF MAIL MERGE
1. Selct to file to create a new document
2. Click mailing menu in the menu bar
3. Select start mail merge
4. Choose step by step mail merge

25. 5. Create from letter/Active window displayed in the screen then click next
6. Choose use the current document,then click “next”
7. Select, type a New list
8. Create the new address list then click “ok”, Choose next
9. Select more item’s, insert the merge field name in the required place by click
button .
10. Finally click finish and Merge and Merge menu select, edit individual document,
choose all records, finally click “ok”
11. A new document will be created for all the records.