Productivity Programs What is the use of a Word Processing, Desktop Publishing and Spreadsheet programs? What is the use of a Database and Presentation program?
What Is A Computer System? Hardware: the tangible, physical equipment that can be seen and touched such as: Computer Case Monitor Keyboard and Mouse Disk Drive Speakers Software: the intangible set of instructions that tells the computer what to do; know as programs or software programs. Two types: application and system software programs Data: information entered into the computer to be processed, which consists of the following: Text, numbers, sounds, and images People: the users of the computers who enter the data and use the output.
Data Communications Network: when computers are connected to other computers They can share information and sometimes hardware (printers) Local Area Networks (LAN): computers connected together in a relatively close location such as in the same building or department. The data and software for these computers are stored on a central computer called the file server. Wide Area Networks (WAN): when local area networks are expanded to include several local area networks within a city, state, region, territory, country, continent, or the world.
Systems Software A group of programs that coordinate and control the resources and operations of a computer system. Enables all components of the computer system to communicate. Operating System (OS): provide an interface between the user or application program and the computer hardware. Win 95/98/2000 Mac System 6/7 Utility programs: help you perform housekeeping chores; complete specialized tasks related to managing the computer’s resources, file management, and so on. GUI (graphical user interface): graphical symbols (icons) represent files, disks, programs, and other objects.
Application Software Programs that work with the OS software to help you use your computer to do specific types of work. Categories: Business Communications Graphics and Multimedia Education and Reference Entertainment and Leisure Integrated Programs
Business Software Word Processing program that allows you to create, edit, and print text documents Report, flyer, memo Spreadsheet Numbered Rows and Lettered Columns Intersection of them = cell Grade book, financial info Database Lets you set up an electronic filing systems Enter text and numbers Find, search, and printer info in different ways Address book, Card Catalog
Software Communications Works with your modems or network hardware and allows your computer to communicate with other computers. Exchange computer files and Graphics Software Uses pictures or images to help communicate messages. Multimedia: combines text, graphics, animation, video, and audio. Clip art: graphical images to be added to documents Desktop Publishing: uses both pictures and words to give you the ability to create documents Newsletters and brochures
Software Education & Reference Available on many topics Help Easier Quicker Examples: AR, Encyclopedia, etc. Entertainment & Leisure Fun Games and simulations Tests your skills interactive
Integrated Software Combine several software applications into one program. Include: Work Processing Spreadsheet Database Communication Examples: MS Works MS OFFICE Lotus SmartSuite