Title: What is Computer Software?
1(No Transcript)
2What is Computer Software?
3Hardware vs Software
Got to have both to get the job done!
4How does Software Work?
- Computer Algorithms
- Step by step directions telling computer what to
do - Software development
- First programmer Grace Hooper created FLOW
MATIC (later known as COBOL) - Programming language that was close to English
5Applications Software
- Programs designed to make users more productive
- Assist with personal tasks
- Word
- PowerPoint
- Media Player
- Variety of uses
- Business
- Graphics and Multimedia
- Home/Personal/
- Educational
- Communications
6Systems Software
- Interface between the user, the application
software, and the computers hardware - Examples
- Operating systems
- Utilities (diagnostics, servers)
- Language translators
7 Operating Systems
- Helps user communicate with computer
- Uses a desktop to provide on-screen work area
(graphical user interface) - Windows
- Linux
- Mac-OS
- DOS
- Networking Operating System
- Two or more computers to be connected
8Utility Software
- Helps perform housekeeping chores
- Tasks include
- Antivirus programs
- Copy file from hard drive to another location
- Convert graphics file to be used in another
program - Backup copy of hard drive (image, ghost)
- CD/DVD Burning
9Web Based Software/Applications
- Some accessed strictly online
- Some are Client-Based
- Parts are stored on the device but processed over
internet - iPhone / Android Apps
- Most Common Web-Based
10Do you know what this is?
- lt!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0
Transitional//EN" "http//www.w3.org/TR/xhtml1/DTD
/xhtml1-transitional.dtd"gtlthtml lang"en"
xmllang"en" xmlns"http//www.w3.org/1999/xhtml"
gtltheadgtltmeta content"text/html charsetutf-8"
http-equiv"content-type" /gtltscript
type"text/javascript"gt//lt!CDATAsi_STnew Date - //gtlt/scriptgtltscript type"text/javascript"gt//lt!
CDATA
11 Language Translators
- Convert English code, to computer instructions
- Helps computer process data
I dont understand! I need a translator.
12 User Interfaces
- What you see, touch, click
- Part we interact with when using the computer
- User friendly
- Command-line interface such as DOS
- (not used frequently)
- Graphical interfaces such as Windows
13What OLD Apples looked like
14 Command Line
- Early computers used only this
- Have to memorize codes
- Not very user friendly
- Not colorful usually written in black and white
- No pictures
15(No Transcript)
16 DOS
- Command line operating system
- Memorize commands
17 Graphical User Interfaces
- Came about with menus
- Graphical user interface (GUI)
- Apples development of Macintosh Finder
- Pictures (icons) represent software
- Colorful
- Reason for explosion of computer use (after DOS
scared people)
18 Vista Operating System
Windows 95, 98, XP, Vista, 7, 8
19Mac Operating System - Leopard
Kodiak, Cheetah, Puma, Jaguar, Panther, Tiger,
Leopard, Snow Leopard, Lion, Mountain Lion
20 Assignment
- Computer Specs that Matter link on calendar