Week9 final

Lecture 9Application Software

1. Introduction;

2. Operations/ components of computers;

3. Data representation and processing;

4. Storage devices;

5. Operating Systems;

6. Networking (3 lectures);

Recap of lectures

1. How application software is distributedPrice: Commercial/ Shareware vs. FreewareSource code: Proprietary vs. Open-source

2. Different kinds of application software• Office productivity software• Entertainment software• Graphics/ Designing software• Communications software• Cloud (web-based) software

Today’s lecture outline

How applicationsare distributed ?1

Free ---what’s free?

Gratis versus Libre

Freeware vs. Free software

What is a freeware

? Software for no cost (or a voluntary fee)

Fully functional

for an unlimited

time

Free software that is

fully functional

for a

limited time only

and then requires an

activation cost is called a

shareware

Price of Software

Free ---what’s free?

Gratis versus

Libre Freeware vs.

Free software

Non-free---what’s the opposite of free software?

Freeware opposite

Commercial software

Free software

opposite Closed-source software

FOSS -> Free and Open-Source Software

Source-code of Software

Free software is promoted by an organization

called Free Software Foundation (FSF)

Founded by:

Richard Stallman

Contributions:

1) GNU (GNU is not UNIX)---

is a computer OS

composed entirely of

free software

.

2) Defines what constitutes a free software

3) Enforces copy-left (or share-alike) licensing

Free Software Culture

http://en.wikipedia.org/wiki/Free_software

Copy-left allows the following 4 freedoms:

1) Freedom to use and

study the work

2) Freedom to copy and

share the work

3) Freedom to modify

the work

4) Freedom to distribute

modified derived

work

Copy-left licensing ensures that derived work also

gives under the same liberal terms

Free software’s freedoms

Different kinds of application software2

Office Productivity Software

Free

Freeware

Proprietary

Commercial



Word Processor

Microsoft Word

OpenOffice Writer


Spreadsheet software

Microsoft Excel

OpenOffice Calc


Presentation software

OpenOffice Impress

Microsoft PowerPoi

nt

Can play a variety of formats:Audio formats: MP3, Audio CD, WAV, etc.Video format: MPEG,

Come in a variety of configurations:Proprietary as well as free;Commercial as well as freeware

Entertainment Software

Multimedia Software

FOSS: VLC player

Proprietary:

WMPWinamp

Real PlayerQuick Time


Multimedia Editing SoftwareAudio Editing:

FOSS


Multimedia Editing SoftwareVideo Editing:

Windows Movie Maker(Proprietary)

Graphics/ Design SoftwareGraphic Designing

Graphics/ Design SoftwareWeb Designing

Graphics/ Design SoftwareAnimation Designing

Animation courtesy: www.stickpage.com

Adobe Shockwave

Graphics/ Design SoftwareAutoCAD

Communications SoftwareInternet software

BrowsersPopular browsers:

1. Internet Explorer

2. Mozilla Firefox (FOSS)

3. Opera


Email client softwarePopular mail clients

1. Outlook Express

(Proprietary)

2. Mozilla Thunderbird

(FOSS)


FTP client softwarePopular FTP clients

1. FileZilla (FOSS)

2. SmartFTP


Instant MessagingPopular IM clients

1. MSN Messenger

2. Yahoo Messenger

Multi-protocol IM clients:

3. Trillian (Proprietary)

4. Digsby (Proprietary)

5. Pidgin (FOSS)


Chat softwarePopular Chat Software

1. MIRC

2. Chatzilla (FOSS)

3. Pidgin/ Trillian

4. Digsby


VoIP/ VideoConferencingPopular softwares

1. Skype

2. Ekiga (FOSS)

Cloud software:• Services provided from the Internet (Cloud)• Software as a web-based Service (called SaaS)

Cloud presentation software:• 280slides• Google Docs Presentation• SlideRocket

Cloud word processing software:• Google Docs• Zoho Docs

Cloud-based Software

Lecture’s

Summary

a) We’ve discussed the

common ways software

are distributed

.

b) We’ve discussed some basic

categories of

application software

with examples

???Questions/

Confusions?

Credits/ Acknowledgement can be found

at the course website:

http://tinyurl.com/5hb8pp

http://tinyurl.com/5hb8pp