Answer by  
                                                                                          shaik (20)
                                                            
                          
                          
                                                          Processor, Motherboard, 
 RAM-Randaom access memory, 
 ROM- Read only memory, 
 CPU- Central processing unit,
  VGA- Virtual graphics adapter, 
 I/O - input output system
 IPsec - internet protocol security
 KB- Kilo byte
 MAC - Media access control
 ip adress: internet protocol adress
 LAN: Local area network
 WAN : wide area network
 SAN:  storage area network
 WLAN: Wireless LAN