ZX-81 means Sinclair Timex personal computer, based on Z-80 microprocessor in
Hardware
Similar to ZX-81
ADU - Analog-to-Digital Unit
ADU - Automatic Duplex Unit
ADV - Almost Dead Video
AEC - Automatic Emulation Change
AEMS - Advanced Environmental Monitoring System
AFA - Architecture Feasibility Assessment
AFC - Always Freaking Crashing
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