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# CIS105: Computer Applications & Information Systems Lect. 2
## Chapter 2: Application Software
- An application program is a computer program designed to carry out a specific task other than one relating to the operation of the computer itself.
### 2.1: Word Processing Software
- For creating, updating and editing documents
- Can create a Table of Contents
- Saved to secondary memory
- Often underestimated
- **Microsoft Word**: Most popular word processor in the world
- **Adobe Acrobat**: Most portable document format (pdf)
- Platform Neutral
- Corel WordPerfect: most dominant in early 80s (still used in some industries like law)
- Created and Brigham Young university
### 2.2: Spreadsheets
**Microsoft Excel**: Most popular spreadsheet application (provides **"what-if"** analysis)
- Interface of information in a grid form
- Separated by **columns** and **rows**
- Intersection of both called a cell
- Often for financial calculations
- Supports graphing
- Replaced Lotus 1-2-3 as industry standard in 1993
### 2.3: Database Software
Database: **The heavy-lifting application**
- Well thought out collection of files
- Consists of **records** (**rows**)
- Separated by **fields** (**columns**)
- Can be queried
- Often called a Database Management System or simply referred as **DBMS**
- One-to-many relationship
### 2.4: Presentation Software
- Displays information
- Often a slide show and on-screen
- Easy to build
- Popularized by Business Intelligence
- Allows users to:
- Edit, update, insert, and delete text
- Include graphics, video, and hypertext
### 2.5: Browser Software
- User interface **software** that allows the user to display web pages found on the World Wide Web
- Browsers display **hyperlinks** that are clickable navigation elements
- Microsoft Edge, Google Chroe, Mozilla Firefox, and Apple's Safari
- The first browser was called **WorldWideWeb** (no spaces)
- **Sir Tim Berners-Lee** was the inventor of the first web browser
### 2.6: Networks
- A computer network is **two or more computers connected together** for resource sharing and communication.
- Resources: Computer files, folder, software
- **Peripheral hardware**: Printers, scanners, webcam, etc.
The advantages of a computer network over a stand-alone computer are so significant that business cannot compete effectively in the marketplace without a network of some kind, even if the business is a sole proprietorship.