I’ve been “doing” computers since 1970.
Hardware includes everything from to multi room 64 bit-10 CPU Sun Server;
36 bit Univac, DEC 2020; 32 bit Xerox Sigma, IBM 360 ; to
16 bit Lockeed, Dec PDP; to
8 bit Z80, 6502; and
ARM’s on SytemsOnaChip with Nordic NrfnRF52832, MT7688/MIPS Onion Omega and BCM2835 on raspberry pi.
Languages including multiple machine language/assemlby, Fortran, COBOL, APL, C, Java, perl.
Database administration on Oracle, MySQL.
Web site designs including database retrival from alternate servers and local site database updating.