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Identification, friend or foe ( IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]
Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
[4] [5] [6] It is a variation of fishing and refers to the use of lures to "fish" for sensitive information. [5] [7] [8] Measures to prevent or reduce the impact of phishing attacks include legislation, user education, public awareness, and technical security measures. [9]
The following is a list of notable month-long observances, recurrent months that are used by various governments, groups and organizations to raise awareness of an issue, commemorate a group or event, or celebrate something.
Brand awareness is a key step in the customer's purchase decision process, since some kind of awareness is a precondition to purchasing. That is, customers will not consider a brand if they are not aware of it. [81] Brand awareness is a key component in understanding the effectiveness both of a brand's identity and of its communication methods ...
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
This is a list of articles about prime numbers.A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers.
YouTube is an American online video sharing platform owned by Google.Accessible worldwide, [note 1] YouTube was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal.