Neco 2017 Computer Studies Question 32

Practice objective / multiple choice question 32 from the 2017 Neco Computer Studies examination.

Neco 2017 Computer Studies Objective / Multiple Choice Medium Difficulty

Question 32 NECO • 2017 • COMPUTER_STUDIES • objective

A password must be exactly 8 characters long. Each character can be an uppercase letter (26 choices), a lowercase letter (26 choices), a digit (10 choices) or one of 8 special symbols. The policy requires at least one digit and at least one special symbol. How many different passwords satisfy the policy? Express your answer as a simplified expression.

A. 70^{8}-60^{8}+62^{8}+52^{8}

B. 70^{8}-60^{8}-62^{8}-52^{8}

Correct Answer C. 70^{8}-60^{8}-62^{8}+52^{8}

D. 70^{8}-60^{8}-62^{8}

Correct Answer

Correct Option:

70^{8}-60^{8}-62^{8}+52^{8}

This is Neco 2017 Computer Studies Question 32. It is one of the objective questions from the 2017 Neco Computer Studies examination.

Difficulty level: Medium .

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support