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65 lines
2.4 KiB
Markdown
65 lines
2.4 KiB
Markdown
# CIS105: Computer Applications & Information Systems Lect. 2
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## Chapter 2: Application Software
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- 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.
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### 2.1: Word Processing Software
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- For creating, updating and editing documents
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- Can create a Table of Contents
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- Saved to secondary memory
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- Often underestimated
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- **Microsoft Word**: Most popular word processor in the world
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- **Adobe Acrobat**: Most portable document format (pdf)
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- Platform Neutral
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- Corel WordPerfect: most dominant in early 80s (still used in some industries like law)
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- Created and Brigham Young university
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### 2.2: Spreadsheets
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**Microsoft Excel**: Most popular spreadsheet application (provides **"what-if"** analysis)
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- Interface of information in a grid form
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- Separated by **columns** and **rows**
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- Intersection of both called a cell
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- Often for financial calculations
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- Supports graphing
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- Replaced Lotus 1-2-3 as industry standard in 1993
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### 2.3: Database Software
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Database: **The heavy-lifting application**
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- Well thought out collection of files
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- Consists of **records** (**rows**)
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- Separated by **fields** (**columns**)
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- Can be queried
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- Often called a Database Management System or simply referred as **DBMS**
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- One-to-many relationship
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### 2.4: Presentation Software
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- Displays information
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- Often a slide show and on-screen
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- Easy to build
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- Popularized by Business Intelligence
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- Allows users to:
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- Edit, update, insert, and delete text
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- Include graphics, video, and hypertext
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### 2.5: Browser Software
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- User interface **software** that allows the user to display web pages found on the World Wide Web
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- Browsers display **hyperlinks** that are clickable navigation elements
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- Microsoft Edge, Google Chroe, Mozilla Firefox, and Apple's Safari
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- The first browser was called **WorldWideWeb** (no spaces)
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- **Sir Tim Berners-Lee** was the inventor of the first web browser
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### 2.6: Networks
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- A computer network is **two or more computers connected together** for resource sharing and communication.
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- Resources: Computer files, folder, software
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- **Peripheral hardware**: Printers, scanners, webcam, etc.
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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. |