DE-9 means 9-pin D-SUB
series D subminiature connector in
Hardware
Similar to DE-9
ABC - Atanasoff Berry Computer
ABC - Automatic Brightness Control
ABCDE - A Better Compact Disk Encoder
ABIST - Array Built-In Self Test
ABR - Available Bit Rate
ABR - Automatic BIOS Recovery
ABS - Automatic Backup System
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