A Router is a computer. it has many of same hardware & software components.like-
RAM-store running configuration,IOS during bootup, ARP & ip routing Table.It is Volatile memory.
NVRAM- Nonvolatile, store startup config
ROM- Permanent storage,that used for Bootstrap program, Scaled down version of IOS
Flash Memory- permanent storage, stores Cisco IOS
CPU- Executes IOS Instructions
Operating System- Cisco IOS
Interfaces- to connect devices
RAM-store running configuration,IOS during bootup, ARP & ip routing Table.It is Volatile memory.
NVRAM- Nonvolatile, store startup config
ROM- Permanent storage,that used for Bootstrap program, Scaled down version of IOS
Flash Memory- permanent storage, stores Cisco IOS
CPU- Executes IOS Instructions
Operating System- Cisco IOS
Interfaces- to connect devices
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