Application softwares

Application softwares:

An application software is a set of programs to creat one or more files types defined.

There are:

• word processing software: which are word processing software. They allow for Word documents (Docx), web pages (. Html or. Xml), printed materials (. RTF) .... (Examples: Word, Works, ...).
•  Spreadsheets: are management software tables. They allow you to create Excel Workbooks (. XLS), web pages (. Html or. Xml) .... (Examples: Excel, Loutis ...).
•  Browsers: that its software designed to view the World Wide Web, all the websites to read web pages technically. (Example: Internet Explorer, Mozilla Firefox, Opera ...).
•  Media players: which is software designed to play sound files or videos of typical examples (MP3, RM, RAM, MPEG, WAV, AVI, .........): Real Player, Windows Media Player, VLC Media , .....
•  Image processing softwares: software publishing, image editing and creating drawings. Examples: Paint, PhotoFilter, PhotoShop, ....
• Softwares for creating animations: allow you to create animated images, flash games, animated web pages .... (GIF). (SWF). (HTM). Examples: Flash, Gimps, ... etc..
• The software to create slideshows: help make animations for presentation to a group. These animations are slide type (. Ppt,. Pps, ...). Example: PowerPoint.
• The videos production softwares (Windows Movie Maker, Meeve, PoweDVDCréator ....)
•  Games softwares.
•  Management softwares databases (SQL, ACCESS, ORACLE, ....).
•  The e-mail softwares: enable communication between two users. Examples: MSN, YAHOO MESSENGER, NetMeeting ....
•  Antivirus: Used to detect and remove bad programs. Example: Avaste, AVG, Panda, ...
•  ... Etc..

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Operating System

Operating System:

An operating system is software (all programs) background which provides communication between the processor and the user devices. It is the first program that can hold a computer. It manages the hardware and other software.

Examples: MS-DOS, Windows (95, 98,2000, XP, Vista ...), UNIX, LINUX ....

- The various types of operating systems:

The operating system most used today is Windows. But there are others such as MSDOS, Linux, Unix, ....

We can classify the operating systems into two main groups according to their modes of communication with the user:

· Operating systems work in text mode as MS DOS.

· Operating systems work in graphical mode as Windows and Linux.

- Basic Functionality of an operating system:

•      allows the computer to start and establish communication with the user.
•      is responsible for establishing communication between the hardware and programs.
•      connects the various devices connected to the computer.
•      helps organize records and files it contains.
•      supports reading / writing data to the disk or in memory.
•      displays information on the screen, interprets the keystrokes typed.
• Etc. ....

translated by google translate

Source : http://tanawiati.net/logiciel.htm

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Computer science

Computer science:

- Definition: The computer science is all scientific and technical disciplines treatment - including machine-automatic information.

- Notes:

1) The purpose of computing is centered mainly on the "automatic processing".

2) automatic processing, the use of the machine significantly reduces human intervention.

3) The computer takes care of processing the form of information, while the man provides the interpretation of the background.

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