Color code
A color code or colour code is a system for displaying information by using different colors.The earliest examples of color codes in use are for long distance communication by use of flags, as in sema...
This Hacker's Tiny Device Unlocks Cars And Opens Garages
The $32 radio device, smaller than a cell phone, is designed to defeat the "rolling codes" security used in not only most modern cars and trucks' keyless entry systems, but also in their alarm systems...
This Hacker's Tiny Device Unlocks Cars And Opens Garages
The $32 radio device, smaller than a cell phone, is designed to defeat the "rolling codes" security used in not only most modern cars and trucks' keyless entry systems, but also in their alarm systems...
War Plan Orange
War Plan Orange (commonly known as Plan Orange or just Orange) refers to a series of United States Joint Army and Navy Board war plans for dealing with a possible war with Japan during the years betwe...
Audio and video interfaces and connectors
The existence of many different audio and video standards necessitates the definition of hardware interfaces, which define the physical characteristics of the connections between electrical equipment....
Audio and video interfaces and connectors - Wikipedia
Electronic color code
The electronic color code is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, and others. A separate code, the 25-pair color ...
Electronic color code - Wikipedia
War Plan Black
One of the United States color-coded war plans, War Plan Black was the name of an American military plan to fight Germany in the early 20th century. The best-known version was conceived as a contingen...
BIOS color attributes
BIOS Color Attribute is a 8 bit value where the low 4 bits represent the character color and the high 4 bits represent the background color. For example, to print a white character 'A' with black back...
List of electronic color code mnemonics
Mnemonics are used to help memorize the electronic color codes of electronic components such as resistors.The first letter of the color code is matched by order of increasing magnitude. The electronic...
List of electronic color code mnemonics - Wikipedia
HANDEL
HANDEL was the code-name for the UK's National Attack Warning System in the Cold War. It consisted of a small console consisting of two microphones, lights and gauges. The reason behind this was to pr...
HANDEL - Wikipedia
25-pair color code
The 25-pair color code is a color code used to identify individual conductors in a kind of electrical telecommunication wiring for indoor use, known as twisted pair cables (often seen with RJ21 cables...
25-pair color code - Wikipedia
Homeland Security Advisory System
In the United States, the Homeland Security Advisory System was a color-coded terrorism threat advisory scale. The different levels triggered specific actions by federal agencies and state and local g...
Homeland Security Advisory System - Wikipedia
War Plan Red
Joint Army and Navy Basic War Plan Red was a war plan created by the United States Army and Navy in the late 1920s and early 1930s to estimate the requirements for a hypothetical war with Great Britai...
War Plan Red - Wikipedia
PC System Design Guide
The PC System Design Guide (also known as the PC 97, PC 98, PC 99, or PC 2001 specification) is a series of hardware design requirements and recommendations for IBM PC compatible personal computers, c...
Utility location
Utility location is the process of identifying and labeling public utility mains that are underground. These mains may include lines for telecommunication, electricity distribution, natural gas, cable...
Utility location - Wikipedia
DEFCON
The defense readiness condition (DEFCON) is an alert state used by the United States Armed Forces.The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant...
Volcano warning schemes of the United States

The United States Geological Survey (USGS) has adopted as of October 2006 a common system nationwide for characterizing the level of unrest and eruptive activity at volcanoes. The new volcano ale...
Volcano warning schemes of the United States - Wikipedia
War Plan Gray
War Plan Gray was a plan for the United States to invade the Azores Islands in 1940-41. Gray is one of the many color-coded war plans created in the early 20th century. On 22 May 1941, President Fra...
War Plan Gray - Wikipedia
2006 transatlantic aircraft plot
The 2006 transatlantic aircraft plot was a terrorist plot to detonate liquid explosives carried on board seven airliners travelling from the United Kingdom to the United States and Canada. The plot wa...
2006 transatlantic aircraft plot - Wikipedia
United States color-coded war plans
During the 1920s and 1930s, the United States military Joint Army and Navy Board developed a number of color-coded war plans to outline potential U.S. strategies for a variety of hypothetical war scen...
United States color-coded war plans - Wikipedia
20-pair colour code (Australia)
The 20-pair colour code is a colour code used in Australia to identify individual conductors in a kind of electrical telecommunication wiring for indoor use, known as twisted pair cables. The colours ...
20-pair colour code (Australia) - Wikipedia
Audio and video connector
Audio connectors and video connectors are electrical connectors (or optical connectors) for carrying audio signal and video signal, of either analog or digital format. Analog A/V connectors often use...
Audio and video connector - Wikipedia