A Computer System Requires Users to Have an Access Code

question 25

Multiple Choice

A computer system requires users to have an access code that consists of a three-digit number that is not allowed to start with zero and cannot repeat digits. How many such codes are possible?

• A) 990
• B) 648
• C) 729
• D) 720

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Definitions:

Greater Tenure

A status achieved by employees that denotes longer service or employment duration, often bringing certain benefits or protections such as job security.

Inverse Seniority

A system used during layoffs where employees with the least amount of seniority are laid off first, as opposed to those with more seniority.

Grievance Procedure

A formal process through which employees can submit complaints or disputes for resolution, usually outlined in a collective bargaining agreement.

Formal Grievance

A structured complaint process followed by employees to formally raise issues about their employment conditions or treatment by employers.