Julia Has a Shared Lock on the Savings Account and Bill

question 62

Multiple Choice

Julia has a shared lock on the savings account and Bill is trying to perform an action requesting a shared lock on the same data:

• A) Bill's transaction is granted permission to perform the desired action
• B) Bill's transaction must wait until Julia's lock is released
• C) Bill's transaction must wait until Julia has read the savings account value
• D) None of the above

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Definitions:

Graphing Calculator

A graphing calculator is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables.

Inequality

A mathematical statement that shows the relationship of non-equality between two values or expressions.

Real Number Line

A line that represents all possible real numbers in a continuous sequence, with positive numbers to the right of zero and negative numbers to the left.

Inequality

A mathematical statement that compares two expressions using symbols to indicate that one is larger, smaller, or different from the other.