By Making the PDP 11 Minicomputer an Integral Part of the Therac-25

question 4

Multiple Choice

By making the PDP 11 minicomputer an integral part of the Therac-25, AECL was able to

• A) reduce costs by replacing hardware safety features with software safety features.
• B) increase the stock price of its subsidiary Digital Equipment Corporation.
• C) shrink the size of the machine considerably.
• D) eliminate the need for lead shielding.
• E) All of the above

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Definitions:

Purchasing Power Parity

An economic theory that compares different countries' currencies through a "basket of goods" approach to determine their relative purchasing power.

Exchange Rate

The price of one country's currency expressed in the currency of another country, facilitating international trade and investment.

Price Levels

Denotes the mean of all existing prices for products and services within an economy.

British Pounds

The currency of the United Kingdom, also known simply as the pound and symbolized by £.