Explanation:
FORMAT
because it is used for the general appearance of the page
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<em><u>it c the ribbon tab. just want to help .</u></em>
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Answer: D)The pattern of blood vessels at the back of the eye.
Explanation: The retinal scan is the techniques which is used in the bio-metric mechanism.The scanning of the retina's blood vessel pattern is capture by the scanner is the unique technique which is used for bio-metric purpose.
Blood vessel pattern is capture because it is present in unique form for every person and will help in distinguishing a person from another person while scanning.
Other options are incorrect because light reflection or reaching near retina and light pattern are not the unique way for identification while scanning a person.Thus the correct option is option(D).
A microcomputer is a small device composed of a central CPU with a microprocessor. Microcomputers are also called personal computers (PCs) and they are ultimately easier to transport.
<h3>What is a microcomputer?</h3>
A microcomputer refers to a personal computer, which is similar to an IBM PC device machine.
The term microcomputer was used in the 1970s, nowadays they are called personal computers, and PCs are being increasingly better both in usage and transportability.
The average personal computer has a weight of 20-30 pounds, in the future, it is believed that there will be no need for a personal computer (all data will be in the cloud).
Learn more about personal computers here:
brainly.com/question/4945544
I don’t know what it’s called but it’s where they can speak by moving there eyes