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Red/black box. The red/black concept, sometimes called the red–black architecture [1] or red/black engineering, [2] [3] refers to the careful segregation in cryptographic systems of signals that contain sensitive or classified plaintext information ( red signals) from those that carry encrypted information, or ciphertext ( black signals ).
Blue box designed and built by Steve Wozniak and sold by Steve Jobs before they founded Apple. Displayed at the Powerhouse Museum, from the collection of the Computer History Museum [ 1] A blue box is an electronic device that produces tones used to generate the in-band signaling tones formerly used within the North American long-distance ...
A factory reset, also known as hard reset or master reset, is a software restore of an electronic device to its original system state by erasing all data, settings, and applications that were previously stored on the device. This is often done to fix an issue with a device, but it could also be done to restore the device to its original settings.
If you disable Enhanced Contacts, any info that was previously saved from your contact's emails will be removed. 1. Click the Settings icon | select More Settings . 2. Click Contacts. 3. Click Disable next to Enhance Contacts. 4. Alternatively, click Enable if you change your mind.
Use AOL Official Mail to confirm legitimate AOL emails. AOL Mail is focused on keeping you safe while you use the best mail product on the web. One way we do this is by protecting against phishing and scam emails though the use of AOL Official Mail. When we send you important emails, we'll mark the message with a small AOL icon beside the ...
The black box (as distinguished from blue boxes and red boxes) was a small electronic circuit, usually a resistor or zener diode in series with the line. It relied on (now-obsolete) telephone exchanges controlled by mechanical relays. These exchanges used a relay to detect a drop in line voltage (usually to less than -10V off-hook, compared to ...
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Phreaking box. A phreaking box is a device used by phone phreaks to perform various functions normally reserved for operators and other telephone company employees. Most phreaking boxes are named after colors, due to folklore surrounding the earliest boxes which suggested that the first ones of each kind were housed in a box or casing of that ...