Transcription of 4 Systems and Software: Application Software
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4 Systems and Software: Application Software
14C H A P T E RSoftware: Systems and Application SoftwareSoftware and Hardware Software can represent 75% or more of the total cost of an IS. Less costlyhdwr. More complexsftwr. Expensive developersSoftware vs. Hardware CostsTypes of Software Systems Software Programs that coordinate the activities and functions of the hardware and various other programs. Application Software Programs that help users solve particular computing Systems Spheres of Influence Personal Individual users (personal productivity) Workgroup Two or more people who work together to achieve a common goal Enterprise An entire company interacting with customers, suppliers, government, by Sphere of InfluenceAccountingOrder entry, Payroll, HRE-Mail, Group Scheduling, WorkflowWP, DB,Sprdsheet, graphics(PersProd)ApplicationSoftwareMid range and mainframe OSNetwork operating systemsPC andworkst noperating systemsSystems Sof
§Application Program Interface (API) §Same software can be used on various hardware; the OS makes adjustments §Changes in hardware may not require a change in application software Memory Management §Controls how memory is accessed and maximizes available memory and ... §Provides security for unauthorized access. • File management ...
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