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Lecture Notes for ACIS 1504 - Intro to Bus Analytics & BI with Lacoste at Virginia Tech (VT)

Notes Information

Material Type:Study Guide 2
Professor:Lacoste
Class:ACIS 1504 - Intro to Bus Analytics & BI
Subject:Accounting & Information Systems
University:Virginia Polytechnic Institute And State University
Term:Fall 2008
Keywords:
  • Doctors Office
  • Maintenance Phase
  • Unauthorized
  • Application
  • Analysis Paralysis
  • Immediately
  • Systems Maintenance
  • Applications Software
  • Development
  • Maintenance
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Using MIS Chapters 4,6, Appendix 6 and 10 (assigned pages only) Chapter 4 Input devices- keyboard, mouse, etc. Processing- central processing unit (brains of computer). CPU selects instructions, processes them, performs arithmetic and comparisons, etc. Works in conjunction w. main memory. CPU reads data instructions from main memory and stores computations in main memory. RAM- another name for main memory (random access memory) Output devices- video displays, printers, etc Storage- saves data and programs. Most common is magnetic disk Binary digits- called bits. Either a 0 or 1. All computer data are represented by bits. 8 bits equals 1 byte. For a computer to execute instructions it moves the instructions from main memory into the CPU using a data channel or bus. Cache- very fast memory in CPU Main memory contains program instructions for Microsoft office, adobe, browsers, etc. It doesn’t have enough room to hold all programs so the CPU loads them into memory in chunks. Operating system- controls the compu...

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