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Test card. SMPTE color bars: common NTSC test pattern. PM5544: common PAL test pattern. EBU colour bars (4:3) A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off ). [ 1]
Tokenization, when applied to data security, is the process of substituting a sensitive data element with a non-sensitive equivalent, referred to as a token, that has no intrinsic or exploitable meaning or value. The token is a reference (i.e. identifier) that maps back to the sensitive data through a tokenization system.
Indian-head test pattern. The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different ...
A credit card number is the set of digits printed on either the front or back of a physical credit card. Credit card numbers are often 16 digits, but they can be as long as 19 digits or as short ...
Card V is an easily elaborated card that is not usually perceived as threatening, and typically instigates a "change of pace" in the test, after the previous more challenging cards. Containing few features that generate concerns or complicate the elaboration, it is the easiest blot to generate a good quality response about.
The Wason selection task (or four-card problem) is a logic puzzle devised by Peter Cathcart Wason in 1966. [ 1][ 2][ 3] It is one of the most famous tasks in the study of deductive reasoning. [ 4] An example of the puzzle is: You are shown a set of four cards placed on a table, each of which has a number on one side and a color on the other.
The Better Business Bureau says credit card users should be looking for a small and specific amount of money that might have been stolen. HLN explains that 'if you see a charge for $9.84 on your ...
Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]