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The Five Parts of an Information SystemThe Five Parts of an Information System
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The Five Parts of an Information SystemThe Five Parts of an Information System
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The Five Parts of an Information SystemThe Five Parts of an Information System
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The Five Parts of an Information SystemThe Five Parts of an Information System
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The Five Parts of an Information SystemThe Five Parts of an Information System
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SoftwareSoftware• Application Software - helping
end-users perform general purpose tasks
• System software - enables application software to interact with the computer
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SoftwareSoftware
• Application Software - helps end-users perform general purpose tasks
• System software - enables application software to interact with the computer
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SoftwareSoftware
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SoftwareSoftware
End UserAn end user is anyone who uses a microcomputer or has access to larger computers - that’s nearly everyone in today’s workforce. They enter commands and typically interact with application programs.
End UserAn end user is anyone who uses a microcomputer or has access to larger computers - that’s nearly everyone in today’s workforce. They enter commands and typically interact with application programs.
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SoftwareSoftware
Application SoftwarePrograms to create, organize, analyze, present and communicate information. For example, Excel is a spreadsheet application program that is used to analyze data.
Application SoftwarePrograms to create, organize, analyze, present and communicate information. For example, Excel is a spreadsheet application program that is used to analyze data.
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SoftwareSoftware
System Software“Background” programs that coordinate the application software requests with computer hardware. Windows 2000 is a widely-used system program.
System Software“Background” programs that coordinate the application software requests with computer hardware. Windows 2000 is a widely-used system program.
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SoftwareSoftware
Computer HardwareDevices that accept input, process data, store information, produce output and send communications. For example, a disk drive, keyboard, printer and modem are different types of computer hardware.
Computer HardwareDevices that accept input, process data, store information, produce output and send communications. For example, a disk drive, keyboard, printer and modem are different types of computer hardware.
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Application SoftwareApplication Software
•Packaged - “off the shelf”, pre-written programs ( General purpose)
•Custom - written for an organization’s specific purpose (Special purpose)
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Application Software - Basic ToolsApplication Software - Basic Tools
• Word processors
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Application Software - Basic ToolsApplication Software - Basic Tools
• Word processors
• Spreadsheets
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Application Software - Basic ToolsApplication Software - Basic Tools
• Word processors
• Spreadsheets• Database
managers
• Graphics
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System SoftwareSystem Software
• “Background software”, manages the computer’s internal resources
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System SoftwareSystem Software• Operating system
– Interface between application software (and user) and the computer
– Runs programs– Processes data– Stores information– Frees the user from complicated,
technical tasks
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Examples of Microcomputer Operating Examples of Microcomputer Operating System SoftwareSystem Software
•DOS - original standard for IBM compatibles
•Windows - a graphical operating environment
•Windows 2000, Windows 98
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Examples of Microcomputer Operating Examples of Microcomputer Operating System SoftwareSystem Software
• Windows NT - for powerful workstations & networks
• OS/2 - competitor to Windows 2000
• Macintosh Operating System• Unix - originally for minicomputers,
now used on microcomputers and Internet servers
