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Monday, October 24, 2011

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Introduction to C Language

C is a general-purpose computer programming language developed between 1969 and 1973 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system.C is one of the most popular programming languages of all time and there are very few computer architectures for which a C compiler does not exist. C has greatly influenced many other popular programming languages, most notably C++, which began as an extension to C.


Structure of C Program


This is simple example program written in C language and details are described with Line as comments.

      #include        //Header Files  
      #include         
      void main()           //Main Function
      {                  // Opening Parenthesis
      printf("Hello World.");      //Statement
      }                    // Closing Parenthesis


Here in above program // are used to write comments.
Above program will display Hello World.
# sign is called Pre-processor and used to process files included at first. We included two header files above. Since we have put these files against # (Pre-processos) C Compiler first process Header files and then Program.
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About Microsoft Excel 2003


Hi All,
I am going to introduce you with Microsoft Excel in brief. Sorry for those who already knew it more.
Microsoft Excel is an Spreadsheet program that is a member of MS Office. Spreadsheet is an electronic sheet that allows you to enter and store data in grid format in computer system. Spreadsheet is electronic version of Accountants book which contains a lot of cells. This has feature to calculate, auto-update, store and retrieve and easy to use GUI tools for operating software. MS-Excel is mainly used for mathematical, statistic and data entry purpose. This is most powerful tool of MS-Office package.
Features of Excel:
Following are the features of MS-Excel.
  1. Easy to use GUI Windows platform and Menu driven concept.
  2. So many functions and formulae for easy calculation and data records.
  3. Can be used as Database and is also supports multiple file formats which helps you to open varieties of document in single application.
  4. Also supports Charts and Tables.
  5. Online and offline support for user about Application and its contents.
  6. Document can be shared through out network that is a concept of multi-user.
  7. Data Import and Export feature.
  8. Templates and Designs for pleasant look.
  9. Understands different formats of number such as date, time, currency, normal etc.

How to Start MS-Excel 2003

You can open Microsoft Excel in two ways:
  • Go to Start  Click on Programs/All Programs  Choose Microsoft Office  Choose Microsoft Office Excel 2003.
  • Go to Start  Click on Run  Type excel in open box  click OK.
  • With Regards,
    John Bhatt
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Terminology Related to Excel….


Some important terms related to Microsoft Excel.
  • Cell: A rectangular shape made by intersection of Row and Column grid.
  • Row: Horizontal group of Cells.
  • Column: Vertical group of cells.
  • Worksheet: A electronic spreadsheet made of 65536 rows and 256 columns.
  • Work Book: A collection of one or more Worksheets.
  • Range: Selection of cells.
  • Cell Address: Unique location of cell that is composed of Column name followed by Row number. Eg. A1, C65536, IV65536 etc.
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Microsoft Excel 2003 Intro and Specifications….



General Introduction

Application Name: excel.exe
Default File Format: .xls
Also Supports: .csv, .dbf, .html, .mhtml, .xml, .dif etc.
Application Version: 11.xxxx.xxxx
Application Title: Microsoft Office Excel 2003
Application Vendor: Microsoft Corporation, USA.

Technical Info

Total Rows: 65536
Total Columns: 256
Default Cell Width: 8.43
Default Cell Height: 12.75
Default Worksheets: 3
Maximum Worksheets in a Book: Limited by Memory (Unlimited).
Minimum Worksheets in a Workbook: 1
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