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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 ).
Tempest (codename) TEMPEST (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions [ 1]) is a U.S. National Security Agency specification and a NATO certification [ 2][ 3] referring to spying on information systems through leaking emanations, including unintentional radio or electrical signals, sounds, and ...
Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric ...
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A set of yellow truncated domes on the down-ramp in a parking lot. Tactile paving (also called tenji blocks, truncated domes, detectable warnings, tactile tiles, tactile ground surface indicators, tactile walking surface indicators, or detectable warning surfaces) is a system of textured ground surface indicators found at roadsides (such as at curb cuts), by and on stairs, and on railway ...
Design by Yoora Kim. When you see posters and graphics related to Black History Month, chances are you'll see them designed with the same four colors: red, black, green, and gold. These colors are ...
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t. e. Electrical wiring in the United Kingdom is commonly understood to be an electrical installation for operation by end users within domestic, commercial, industrial, and other buildings, and also in special installations and locations, such as marinas or caravan parks. [ 1] It does not normally cover the transmission or distribution of ...