Application software
Productivity applications 2
A large organisation , Commonly referred to as an enterprise,requires a special computing solutionsbecause of its size and geographic distribution Human Recources software, accounting software, engineering or product development software, manufacturing software, marketing software, sales software, distribution software, customer service software and software for information technology staff.
Productivity applications 1
A variety of desktop, mobile and web apps provide a service intended to make business or personal tasks easier to accomplish. For example Reference applications Travel applications Retail applications
Productivity applications Spreadsheet software
Allows users to organise data into rows and columns to perform calculations.
Operating System
An operating system is a set of programs that coordinates all the activites among computer or mobile device hardware. System software Utility Programs
Step 1
An operating system user interfaces is displayed on the screen when a user turns on a computer.
Disadvantages of Command-Line Interfaces
Difficult to use, it required exact spelling, grammar and punctuation. Errors such as a missing comma generates an error message.
Productivity applications Note taking software
Is an appli ation that enables user to enter typed text, handwritten comments, drawings or sketches anywhere on a page.
Summary
Programs and apps available for computers and mobile devices Role of the operating system and the various ways software is distributed Features a variety of applications Communication applications
Productivity applications Database
A database is a collection of data organized in a manner that allows access, retrieval, and useof that data.
Productivity applications Word Processing software
Allows users to create and manipulate documents P.S clip art is a collection of drawings, photos and other images,
Productivity applications Presentation software
Allows users to create visual aids for presentations to communicate ideas, messages and other information to a group.
App/ Application
An Application, or app sometimes called application software, consists of programs designed to make users more productive and/or to assist them with personal tasks.
Productivity applications Calendar and content management software
An application that helps you to organise your calendar, keep track of contracts, share this information with other devices or users
Communication applications
Blogging, browsing, chat room, discussion forum, email, FTP, Instant messaging, videoconferencing, VoIP, Web feeds, wireless messaging.
Graphics and Media Software
Computer aided design (CAD) software, photo editing software, desktop publishing software, clip art /image gallery, paint/Image editing software, video and audio editing software.
User Interfaces
Controls how you enter data and instructions and how information is displayed on the screen
Freeware Software
Copyright software provided at no cost by an individual or company that retains all right to the software. NB: Programmers typically cannot incorporate freeware in applications they intend to sell. Msn Messenger Shockwave player
Shareware Software
Copyright software that is distributed at no cost for a trial period. To use the shareware beyond this period, you send a payment to the program developer. In some cases, a scale-down verison is distributed free and payment entitles the user to the fully functional product.
Productivity Application Software
Create project-edit project- format project-save project- distribute Productivity applictions can assist you in becoming more effective and efficient while performing daily activities at work, school and home.
Personal interest applications
Lifestyle applications, education applications, medical applications, entertainment applications, convenience applications.
Packaged Software
Mass-produced, copyright retail software that meets the needs of a wide variety or users or company. Microsoft Word Microsoft Excel Microsoft Access
Custom Software
Performs functions specific to a business or industry. NB: If a company cannot find packaged software to meet its requirements, programmers developed tailor made custom softwre which is usually more expensive.
Open Source Software
Provides for use, modification and redistribution. Has no restrictions from the copyright holder regarding modifications of the software's internal instructions and redistribution of the software. Usually can be downloaded from the internet free of charge.
Application Software
Software which is used to accomplish/perform specific tasks for users. For example As a business tool To assist with graphics and multimedia projects To support home, personal, and educational activities To facilitate communications
Step 3
The application send the print instruction to the computer's operating system (software) which is running on the computer.
Step 4
The operating system semd the print instruction to the printer (hardware) which prints the document.
Advantages of Command-Line Interfaces
The user has more control to manage detailed settings.
Step 2
The user instructs the operating system to run an application, such as a word processing application, which appears on the user's screen. The user then instructs the application to print document.
Command-Line Interface
Used to configure configure devices, manage system resources and trouble shoot network connections The user types command or press special keys to enter data and instructions The set of commands entered is called command language
Graphical User Interface
You interract with menus and visual images such as buttons and other graphical objects (such as cursors) to issue commands. The newer form of the GUI uses features similar to that of a web browser, such as navigation buttons (i.e. forward and backwards buttons) and links; PSDs
