Neco 2021 Computer Studies Question 33
Practice objective / multiple choice question 33 from the 2021 Neco Computer Studies examination.
A company enforces two password policies for its 8‑character passwords.\nPolicy A: the password must contain at least one digit (0‑9).\nPolicy B: the password must contain at least one digit and at least one special symbol (12 possible symbols).\nThe allowed character set consists of 26 uppercase letters, 26 lowercase letters, 10 digits and 12 special symbols (total 74 characters). Characters may repeat.\nCalculate the ratio \(R = \frac{\text{number of valid passwords under Policy B}}{\text{number of valid passwords under Policy A}}\) and give the value of \(R\) rounded to three decimal places.
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About This Question
This is Neco 2021 Computer Studies Question 33. It is one of the objective questions from the 2021 Neco Computer Studies examination.
Difficulty level: Medium .
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