Servicing current systems requires higher skills

Ronald E., Nelson
December 1997
SDM: Security Distributing & Marketing;Dec1997, Vol. 27 Issue 15, p15
Trade Publication
Presents a quiz on the use of microcontroller-based detection devices in security systems. Testing for ripple on a power supply; Checking for ambient radio frequency signals in the vicinity of an alarm system; Disguising of a computer virus as a legitimate program; Spreading of computer viruses; Checking on the condition of a fuse. INSETS: What's wrong with this?;query on CCTV installation.


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