Neco 2023 Computer Studies Question 28

Practice objective / multiple choice question 28 from the 2023 Neco Computer Studies examination.

Neco 2023 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 28 NECO • 2023 • COMPUTER_STUDIES • objective

A password must be exactly eight characters long. Each character can be an uppercase letter (26 choices), a lowercase letter (26 choices) or a digit (10 choices). The password must contain at least one digit and at least one uppercase letter. How many different passwords satisfy these conditions? Express your answer as an integer expression.

Answer Options

Correct Answer A. 62^{8} - 52^{8} - 36^{8} + 26^{8}
B. 62^{8} - 52^{8} - 36^{8}
C. 62^{8} - 52^{8} - 26^{8} + 36^{8}
D. 62^{8} - 52^{8} + 36^{8} - 26^{8}
Correct Answer
A
Correct Option:
62^{8} - 52^{8} - 36^{8} + 26^{8}

About This Question

This is Neco 2023 Computer Studies Question 28. It is one of the objective questions from the 2023 Neco Computer Studies examination.

Difficulty level: Medium .

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