Neco 2018 Computer Studies Question 40

Practice objective / multiple choice question 40 from the 2018 Neco Computer Studies examination.

Neco 2018 Computer Studies Objective / Multiple Choice Medium Difficulty

Question 40 NECO • 2018 • COMPUTER_STUDIES • objective

A password must be at least eight characters long and contain at least one uppercase letter, one lowercase letter, one digit, and one special character. The allowed character set consists of 26 uppercase letters, 26 lowercase letters, 10 digits and 10 special symbols (total 72 characters). Assuming characters may repeat and order matters, estimate the total number of possible passwords that satisfy the policy. Express your answer in scientific notation rounded to two significant figures.

Correct Answer A. 3.1×10^14

B. 3.2×10^15

C. 2.9×10^14

D. 3.1×10^13

Correct Answer

Correct Option:

3.1×10^14

This is Neco 2018 Computer Studies Question 40. It is one of the objective questions from the 2018 Neco Computer Studies examination.

Difficulty level: Medium .

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