When calculators were first introduced, they were large and not very portable. Which of the following allowed for the development of pocket-size calculators?
A)direct current
B)fewer function keys
C)graphing software
D)smaller microprocessors

Question

Quizplus · Accepted Answer

The development of smaller microprocessors was crucial in reducing the size of calculators, making it possible to create pocket-size calculators. Microprocessors are the brains of calculators, and as technology advanced, they were made smaller and more efficient.

When Calculators Were First Introduced, They Were Large and Not