ウ 情報システムが利用者の本人確認のために用いる、数字列から成る暗証番号のことを、PINという。 ウは正しいです。PINは「Personal Identification Number」の略で、本人確認のために使う数字の暗証番号のことです。ATMの暗証番号やスマートフォンのロック解除などで使われます。 Option U is correct. PIN stands for “Personal Identification Number,” which is a numeric password used to verify a user’s identity. It is commonly used for ATM passwords and unlocking smartphones.
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