Computer Consept week3_1

RAM : for fast

• fetch
• execute
• decode
• write - back

FSB (Front Side Bus) : internal clock GHz/sec

CPU = brain
FSB = nervous system

Cache Memory
HD → RAM → Cache memory (L1,L2,L3)
permanent 　　temporary

Combination

• Memory
• RAM
• CPU
• FSB

HD : dot not portable
CD/DVD : pit portable

IDE : slower
SATA : faster