What Key Invention Led to Computers Becoming Smaller and More

question 61

Multiple Choice

What key invention led to computers becoming smaller and more common in American households in the 1980s?

• A) the keyboard
• B) the microprocessor
• C) the monitor
• D) vacuum tubes
• E) binary code

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Definitions:

Marginal Private Cost

The cost incurred by a company or individual for producing one additional unit of a good or service, not accounting for externalities.

Marginal External Cost

Increase in cost imposed externally as one or more firms increase output by one unit.

Socially Optimal Output

The level of production or output that is most beneficial for society as a whole, considering both production costs and externalities.

Market Price

Price prevailing in a competitive market.