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1) Retina scan
2) Iris scan
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∙ 14y ago
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When does an arête form?
Arêtes can form in two ways. They can form when two glaciers erode parallel U-shaped valleys, or they can form when two glacial cirques erode headwards toward one another, although frequently this results in a saddle-shaped pass, called a col.
When two or more materials combine chemically they form what?
When two or more materials combine chemically, they from a substance. When two or more materials combine and they do not react with each other, they form a mixture.
Which subatomic particles account for most of an atoms mass?
The up and down quark accounts for most of an atoms mass. Two up quarks and one down quark forms a proton, and one up quark and two down quarks forms a neutron. Protons and neutrons form the nuclei of atoms, and comprise most of their mass, along with the binding energy holding them all together.
What two advancements in technology were made in the 1920's?
In 1920, one of the most important technological advancements was in the form of a robot invention. Another advancement regarded the invention of the Lie Detector by John Larson.
What are two advantages of the moment magnitude scale over the Richter scale?
The moment magnitude scale is more accurate for large earthquake than can cause damage.
Where can one purchase a safe with a biometric lock?
One can purchase a safe with a biometric lock online from Amazon or eBay. Alternatively, Brookstone or Barska are two companies which also sells home safes with biometric locks.
Which two devices are considered input devices?
biometric authentication device digital camera
What is the most accurate time keeping device?
The atomic clock is the most accurate clock. This type of clock is the most accurate because it uses frequency and weather. These two factors keep the time precise with this type of clock.
What two basic steps must be performed in any biometric technology process?
enrollment, matching
What two criteria are most important when making a speech of introduction?
Be brief and accurate.
What is a Biometric ID card?
A biometric ID card is a card with some of a person's biometric information stored on it in electronic form. Biometric information generally falls into two categories - physical characteristics and behavioral characteristics. Typical physical characteristics include retina patterns, fingerprints, facial features, DNA, or body dimensions. Behavioral characteristics include rhythm and pressure when typing on a keyboard, handwriting, or vocal patterns (although vocal patterns can also be partly physical). A few countries are looking to incorporate biometric information into passports. Others are already working to issue residents new identity cards that have some of their biometric information embedded electronically. Special readers are required to retrieve the information from the card and when well designed, the reader may only translate the biometrics of the person presenting the ID into a hash which is then compared with the hash of the corresponding information on the card.
Which two devices are consider input devices?
Keyboard, Bar-code Reader, biometric authentication device
How accurate was blood grouping or tissue typing in 1990 for paternal testing for who is the father?
Blood grouping and tissue typing has been around for 40 years or more so in 1990 it was as accurate as now. The thing is it tells you who cannot be the father, not who IS. If it is between two men and one CANNOT be the father it has to be the other one. DNA testing is more accurate especially if the two putative fathers are related.
What is an example sentence with the Northwest Passage?
Of the two routes to get to the Pacific, the Northwest Passage was the most accurate and new.
Which is the most appropriate measure for the length of a skate board?
The most appropriate unit is a centimetre, though a metre to two decimal places is exactly as accurate.
What is the best position to shoot from on a firearm?
Depends on the firearm, what you are shooting, and where you are. With a rifle, firing from a supported position, such as a benchrest is the most accurate. In the field, the prone position is most accurate. However, that does not work well if you are in waist deep grass, or duck hunting with a shotgun. With a handgun, a two handed shooting stance is most accurate, and using a support makes that better.
What is a type of attack where an intruder is able to forge a biometric sample?
Methods used to successfully forge biometric input have included using a jelly copy of a finger with the fingerprint embedded on it and using a photograph of an individual in place of their face for a facial scan. The better biometric devices will incorporate methods to prevent these types of methods from succeeding, but both these two methods and others have been demonstrated as still working on some biometric authentication devices still on the market. There is also the potential problem of "splicing". Some formats for smart cards sign each piece of information separately, so an attacker can steal the legitimate signed identity of another user and splice it into his own biometric information. To combat this, better smart cards sign the entire set of data including both the user identity and their biometric information.
