Matching Pairs basics computersOnline version book English for office applications by LEONARDO FABIO MARTINEZ SUAREZ 1 2 This is the firewall 3 4 5 This is the central processing unit 6 These are speakers 7 This is the paste symbol on all computers 8 9 these are the headphones 10 This is the temporary memory of the computer random access memory It is the symbol of spyware This symbol is found to shutdown the computer This is eliminated by the antivirus This is the external hard disk drive