SDLC review

1
SDLC (review)

• Investigationteam assembly/planning
  (feasibility)
• Analysiscurrent situation
• Designalternative solutions
• Implementationconversion
• Maintenancemost expensive

2
ROM/BIOS vs CMOSpg 72-73

• ROM-Permanent storage-includes BIOS (computer
  configuration and boot program)
• Recently, some computers use Flash BIOS (so BIOS
  not on ROM chip)
• CMOS-semipermanantuses a battery to stay powered
  upkeeps info about clock, drive configuration,
  and startup procedures

3
Excel Modeling
4
Agenda

• Review Homework problems
• Go over new problems together
• Quiz

5
Objectives

• Understand how to use Excel functions
• IF
• VLOOKUP HLOOKUP
• COUNTIF SUMIF
• Identify when to use each function