COBOL Tutorial COBOL stands for Common Business Oriented Language.The US Department of Defense, in a conference, formed CODASYL (Conference on Data Systems Language) to develop a language for business data processing needs which is now known as COBOL. COBOL is used for writing application programs and we cannot use it to write system software. The applications like those in defense domain, insurance domain, etc. which require huge data processing make extensive use of COBOL.

Customer Information Control System (CICS) Tutorial CICS stands for Customer Information Control System. CICS was developed in 1968 by IBM. CICS allows users to develop and execute online application in an MVS environment. CICS has become the most commonly used server for Internet applications. CICS is a transaction processing system which is also called as Online Transaction Processing (OLTP) Software. CICS is a data communication system that can support a network containing hundreds of terminals.

Advanced Excel Charts Tutorial Excel charts are an efficient means to visualize the data to convey the results. In addition to the chart types that are available in Excel, some application charts are popular and widely used. In this tutorial, you will learn about these advanced charts and how you can create them in Excel.

Advanced Excel Functions Tutorial This Microsoft Excel tutorial teaches you how to create and use Excel functions. You can use Excel functions to perform various mathematical, statistical, logical calculations. This tutorial takes you step-by-step through the process.