The Term "Stale Data" Refers to a Situation in Multi-CPU

question 37

Multiple Choice

The term "stale data" refers to a situation in multi-CPU machines when one thread modifies shared data and a second thread accesses that data later, but sees the data value before the change took place.What is required to guarantee that the second thread sees the updated data, not stale data?

• A)The second thread should not try to acquire the lock.
• B)The first thread should not try to acquire the lock.
• C)Neither thread should use locks.
• D)The first thread should release the lock after changing the data.

---

Definitions:

Agricultural Products

Goods derived from farming and agriculture, including food items, feed, fiber, and biofuel commodities.

Tariffs

Taxes imposed by a government on imported or occasionally exported goods, often used to protect domestic industries from foreign competition.

Agricultural Act of 2014

A comprehensive statute that governs United States federal farm programs including crop insurance, conservation programs, and nutritional assistance.

Freedom to Farm Act

U.S. legislation passed in 1996 that aimed to reduce government control over farming operations and allow farmers more freedom in their planting decisions.