Unit# 6: ICT Applications

Learning Objectives In this unit you will be learn about: Word Processing Application Spread Sheet Application Presentation Application Introduction to database and how to use MS Access Introduction to Programming

Word Processing Application Word-processing describes use of hardware and software to create, edit, view, format, store, retrieve, and print documents (written material such as letters, reports, books, etc.)

Commonly Supported Features in a Word-Processing Package Entering text Editing text Formatting page style Formatting text Entering mathematical symbols Displaying documents Saving, retrieving and deleting documents Printing documents Importing text, graphics and images Searching and replacing text string Checking spelling Checking grammar and style

Word Processing

Word-Processing (Few Terminologies) Style sheet: Pre-stored page format that can be used while creating a new document or can be applied to an existing document Font: Complete set of characters with the same style and size. A word-processing package comes with several standard fonts Points: A point is 1/72 of an inch, and the size refers to the distance from the top of the tallest character to the bottom of the character that extends the lowest. Font size is measured in points

Word-Processing (Few Terminologies) Three commonly used font styles are italic, bold and underline. Justification: Alignment of text on the left or the right margin, or on both margins. Four types of justification are: Left-justification Right-justification Center-justification Full-justification

Spreadsheet Package Spreadsheet package is a numeric data analysis tool that allows us to create a computerized ledger Useful for any numerical analysis problem whose data can be organized as rows and columns

Uses of Spreadsheet Package Maintaining and analyzing inventory, payroll, and other accounting records by accountants Preparing budgets and bid comparisons by business analysts Recording grades of students and carrying out various types of analysis of the grades by educators Analyzing experimental results by scientists and researchers Tracking stocks and keeping records of investor accounts by stockbrokers Creating and tracking personal budgets, loan payments, etc. by individuals

Common Features of Spreadsheet Package Support for a large number of cells Support for addressing a range of cells by the addresses of the endpoint cells Support for different types of cell data (such as label, numeric value, formula, and date & time) Support for use of relative and absolute cell addresses in formula Support for a wide range of commands Support for displaying numeric data in the form of graphs and charts

Rows and Columns A spreadsheet is a table consisting of columns and rows The rows are labeled by numbers and the columns by letters

Cell, Formula, Functions The intersection of a row and a column is called a cell. A cell is uniquely identified by its column and row designators Formula: Formula is a relationship between values of cells. It is used to apply mathematical equation among data items of a cell. For example, D2=B 1+C1 would calculate and display the sum of cells B1 and Cl into cell Dl.

Cell, Formula, Functions Functions are built-in formulas for certain problems that have already been created and stored in the program. They are used as shortcuts when applying mathematical equations and give ease and flexibility to the users to handle complex calculations. Some examples are COUNT, SUM, MAX, and MIN.

Sample Spreadsheet

Graphs and Charts Data and information in spreadsheets can be analyzed in a graphic form. Spreadsheets allow the users to display numerical data as a graph or chart.

Examples of a Line Graph, a Bar Chart and a Pie Chart

Presentation Application PowerPoint is a closed source commercial presentation program developed by Microsoft. Presentations Slides Overheads Handouts Speaker's Notes Outlines Website Graphics

Database Software Database is a collection of related data that allows the users to retrieve, edit and update the data. Database management system (DBMS) is an Application Software that allows users to develop, access, and administer a database. Data in a database can be added, updated, deleted and searched

What is a Programming Languages A programming language is a set of rules that provides a way of telling a computer what operations to perform. A programming language is a set of rules for communicating an algorithm. It provides a linguistic framework for describing computations

What is a Programming Languages A programming language is a notational system for describing computation in a machine-readable and human-readable form. A programming language is a tool for developing executable models for a class of problem domains.

What is a Programming Languages English is a natural language. It has words, symbols and grammatical rules. A programming language also has words, symbols and rules of grammar. The grammatical rules are called syntax. Each programming language has a different set of syntax rules.

Why Are There So Many Programming Languages Why does some people speak French? Programming languages have evolved over time as better ways have been developed to design them. First programming languages were developed in the 1950s. Since then thousands of languages have been developed. Different programming languages are designed for different types of programs.

Levels of Programming Languages