System Initialization

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System Initialization

• By
• Paula Jesse

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BIOS

• Basic Input/Output System
• Small program to start up computer and
  communicate with the hardware
• Store in ROM chip on the motherboard
• It contains basic hardware information

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BIOS
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CMOS

• A type of ROM memory chip
• It stores information such as time, date, power
  setting, and video adaptors
• Any changes to the basic system configuration is
  recorded in the CMOS
• The CMOS chip is maintained by a battery

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CMOS