1. Computer Software Created by Ann Ware

2. Computer Software
Software
Computers require software to function. Software is the instructions that allow users to communicate with the computer; also called programs.
Three categories:
Operating system software
Application (productivity) software
Communications software

3. Operating system software
Computer Software
Operating system software
Operating system (OS)--system software that acts as a "go-between", allowing computer hardware and other software to communicate with each other
Microsoft Windows
Mac OS
Linux
One component of an OS is file management: the ability to create, edit, view, print, rename, copy or delete files and folders

4. Computer Software
Platform
The hardware and the operating system together are referred to as a platform.
Windows platform
Mac platform
Dual-platform: the ability to run more than one operating system.

5. Basic functions of an OS
Computer Software
Basic functions of an OS
Function
Description
User interface
Provides icons and menus to interact with computer
Utilities to configure the system
Provides connection to networks, installation of software and management of resources
Manage computer resources
Control the connections between the software and the hardware
Secure data by controlling access
Specifies authentication and authorization rights to the computer and its resources.

6. Computer Software
Definitions
Authentication: the process of validating a user’s logon information
Authorization: associating specific permissions to a username

7. Computer Software
Utility software
Utility software is a type of system software that runs system checks and makes sure everything is working properly;
One type of utility software is anti-virus software, which checks for viruses (programs designed to disrupt or destroy the normal operation of a computer
McAfee, Norton, Avast, AVG

8. Computer Software
Application software
Word Processing
Spreadsheet
Presentation
Database
Desktop Publishing
Painting/Drawing
Digital Imaging
Web Design
Video/Audio Production
Gaming
Podcasting
Accounting
Programs that allow the user to perform specific tasks; also known as productivity software

9. Computer Software
Word Processing
A software application that is designed to create, edit, format, print and save text- based documents, such as letters, reports, and memos
Microsoft Word, Apple Pages, Google Documents

10. Computer Software
Spreadsheet
A software application that stores data in a grid of horizontal rows and vertical columns. The software is designed to analyze data using formulas and calculations.
Microsoft Excel, Apple Numbers, Google Spreadsheet

11. Computer Software
Presentation
An application software designed to create a visual display of information; can include text, graphics, audio and video
Microsoft PowerPoint, Apple Keynote, Prezi, Google Presentations

12. Computer Software
Database
An application software designed to collect and organize data for easy retrieval and analysis
Microsoft Access, FileMaker Pro, Oracle

13. Computer Software
Desktop Publishing
An application software that is designed to combine text and graphics to create professional print-ready publications
Adobe InDesign, Corel Draw, Microsoft Publisher

14. Communication software
Computer Software
Communication software
Programs that make it possible for a computer to transmit and receive information to and from other computers.
Web Browsers
Internet Explorer, Firefox, Safari, Google Chrome
Yahoo, Gmail, Live, Hotmail, Outlook, etc.

15. Computer Software
File formats
Every file saved on a computer will have an extension at the end of a file name known as the file format—typically three characters.
The extension defines how the data is stored in the file. It may indicate which application was used to create a document or what type of application is needed to open the document

16. File types - continued Examples: .docx Microsoft Word document
Computer Software
File types - continued
Examples:
.docx Microsoft Word document
.pptx Microsoft PowerPoint presentation
.xlsx Microsoft Excel spreadsheet
.txt a plain text file (generic)
.rtf rich text format (generic)
.jpg graphic image
.pdf requires Adobe Reader

17. File types - continued .mp3 compressed audio file
Computer Software
File types - continued
.mp3 compressed audio file
.wmv windows media video file format
.wma windows media audio file format
.htm hypertext markup file
.mov Quicktime movie
.zip compressed file format
.exe executable file