Common beep codes reference
126559
Motherboard BEEPS Code
36731
Beep in shell script not working?
156111
What are the different signal indicators avalable on the notification bar?
136362
Marking plural of code words
35759
How to make your iPhone beep every hour?
122126
Detecting start bit in software UART
13531
Bug Identification: Tiny Bugs
79948
keyCode values for numeric keypad?
128779
How do I get the list of exit codes (and/or return codes) and meaning for a command/utility?
21878
Reference Books on Cryptography
158146
How to extract default ringtones from Android device?
37209
Quantum information references
69095
Do you know other Android keypad commands (dialer codes)?
138520
How to disable system beep for non-privileged user
16953
What do the E and R prefixes stand for in the names of Intel 32-bit and 64-bit registers?
132815
frequency modulation and incoming signal selection
138182
Conventions for exceptions or error codes