Z-200 stands for Zenith Stand-Alone TEMPEST AT Microcomputer
Z-150T stands for Zenith Stand-Alone TEMPEST Microcomputer
Z80 stands for Zilog Z80 8-bit microprocessor chip
z/OS stands for Z Series Operating System (IBM mainframe operating system)
Z2E stands for Zelda 2 Enhanced (video game)
Z2 stands for ZZT (computer game) Z2 stands for Zero 2 (Street Fighter: Zero 2 game)
Z-TREE stands for Zurich Toolbox for Readymade Economic Experiments
ZANIS stands for Zambia News and Information Services
ZANDA stands for Zero Administration Network Distribution Agent
ZABO stands for Zero Administration Business Objects (software)