Computer Software - An Overview

Computer Software - An Overview - A Conceptual IT...

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Hardware System software – Operating Sys. , Data Base Management Sys. and Network Management Sys. Clients and Servers ERP CRM Other Special Purpose Applications or Functional Components General Purpose Personal Tools – Spreadsheets, Word processing Browsers, etc. Shared Data Shared Data Accounting Operations HR Sales Service Marketing A Conceptual IT Architecture – Software Categories Functional Components
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IT Component Breakdown* Back Office Tactical Strategic *adapted by Beth Cohen, September 2009
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Three Levels of Processing Input Input Process Process Output Output Transaction/Data Input Input Process Process Output Output Control/Information Input Input Process Process Output Output Learning/Knowledge MIS 301 Profs. Mike Zack, Bruce Russell, Richard Kesner
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MIS 301 Profs. Mike Zack, Bruce Russell, Richard Kesner Two major types of software 00 GET 01 STORE 99 02 GET 03 ADD 99 04 PUT 05 HALT “Application” software Fetch, execute… fetch, execute… move data here, put data there… “System” software
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System Software Enabling the Hardware MIS 301 Profs. Mike Zack, Bruce Russell, Richard Kesner
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MIS 301 Profs. Mike Zack, Bruce Russell, Richard Kesner Systems Software Applications Hardware Operating system “Print” Send output to Canon PIXMA iP3000 printer using appropriate codes
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MIS 301 Profs. Mike Zack, Bruce Russell, Richard Kesner Operating Systems User interface (e.g., Windows) Resource management Memory Input/Output Calculator File management Mailboxes Task management Counter/instruction sequence Miscellaneous
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MIS 301 Profs. Mike
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This note was uploaded on 02/25/2012 for the course MISM 1201 taught by Professor M during the Spring '12 term at Northeastern.

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Computer Software - An Overview - A Conceptual IT...

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