Sound recording and sound reproducing apparatus and instruments: apparatus for transmitting and reproducing sound; electronic circuits; computer chips; microprocessors computer hardware; signal encoding and decoding apparatus, namely, signal processors; electronic apparatus and devices for controlling access to premises or public or private services, namely, access control and alarm monitoring systems

SOUND RECORDING, SOUND REPRODUCING, SOUND AMPLIFYING AND SOUND TRANSMITTING APPARATUS AND EQUIPMENT-NAMELY, RECORD PLAYERS, TAPE RECORDERS, INSTRUMENTATION TAPE RECORDERS FOR SCIENTIFIC ANALYSIS, MIXERS, AMPLIFIERS, LOUDSPEAKERS, MICROPHONES, HEADPHONES, AND PARTS THEREOF AND FITTINGS THEREFOR

Training in the fields of computer security, computer and communication networks and computer systems; training in the fields of design and development of electric, electronic and computer equipment and software