(n) (comp) Pulse-Code Modulation
PCM
(n) (comp) kanji encoding method
(n) (comp) shared key encryption
(n) (comp) public key cryptosystem
(n) (comp) certificate serial number
(n) (comp) signalling protocol
(n) (comp) signal-to-noise ratio
(n) (comp) vender unique
(n) (comp) multicode concrete syntax
(n) (comp) Adaptive Transform Coding
ATC
(n) tax identification number
TIN
(n) (comp) call ID
(n) (comp) secret key cryptosystem
(n) (comp) coded decimal notation
(n) (comp) Encoded Information Type
EIT
(n) coded character set
code
(n) (pedestrian) crosswalk signal
(n) (comp) access request signal
(n) (comp) controller number
(n) (comp) composite signal
(n) (comp) Data Encryption Standard
DES
(n) (comp) tracking symbol
(n) (comp) heartbeat signal
(n) (comp) file serial number
(n) (comp) flat constraint set
(n) (comp) pseudo-text delimiter
(n) (comp) conventional cryptosystem
(n) International Standard Book Number
ISBN
(n) (comp) noise burst signal
(n) (comp) contact interrogation signal