The Main Change in the Therac-25 Over Previous Versions Like

question 12

Multiple Choice

The main change in the Therac-25 over previous versions like the Therac-6 and Therac-20 is that the Therac-25

• A) used a different source of radiation that is more dangerous to human health.
• B) had no mechanical interlocks to set the amount of radiation; radiation amount was controlled by software.
• C) was much more difficult to operate properly.
• D) None of the above

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Definitions:

Hardworking Colonists

Early settlers in America who worked diligently to establish new lives, communities, and economies.

Horrible Circumstances

Situations or conditions that are extremely unpleasant, distressing, or difficult to endure.

Dual Identity

The condition of identifying with two distinct cultural or national identities simultaneously.

Anglicization

The process of adopting English culture or language, commonly observed in non-English-speaking countries or amongst immigrants in English-speaking countries.