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Processor and Memory

Storage Devices

(permanently store data

and application programs)

Peripherals

(input/output)

Data Path

Components

Legend

Memory

Chipset

(controls data flow)

CPU

(ALU, Registers, Control unit)

L1 cache

L2 cache

(usually on CPU)

Microprocessor

RAM

(instructions to be executed when the computer is running)

ROM

(instructions needed to boot the computer)

CMOS

(Configuration information used during the boot process)

Main Memory

Boot Memory

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