# CIS105: Computer Applications & Information Systems Lect. 2 | Toshiki's Note
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# CIS105: Computer Applications & Information Systems Lect. 2 ​

Author:Anda Toshiki
Updated:a minute ago
Words:336
Reading:2 min

## 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.