(n) communications infrastructure
(n) (comp) attached file
attachment
(n) electric iron
(n) (comp) power switch
(n) (obsc) computer virus
(n) East India Company
(n) animal virus
(n) (comp) internal file
(n) South Carolina
(n) sulfur dioxide
sulphur dioxide
(n) silicon dioxide (SiO2)
silica
(n) (comp) input device
(n) (comp) input file
(n) (comp) array pointer
(n) light emitting diode
LED
(n) (comp) optional file
(n) (comp) document icon
(n) (comp) document file
(n) (comp) archive file
(n) (comp) instruction cycle
(n) (comp) element pointer
(n) codeine phosphate
(n) (comp) adjacent domain
(n) (comp) logical drive
(n) CD player
(n) DNA virus
(n) RNA virus
(n) soft icecream sold in a balloon
(n) (comp) archiving
(n) (comp) archive attribute